File: protocol.d.ts

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/**********************************************************************
 * Auto-generated by protocol-dts-generator.ts, do not edit manually. *
 **********************************************************************/

/**
 * The Chrome DevTools Protocol.
 * @public
 */
export namespace Protocol {

    export type integer = number

    /**
     * This domain is deprecated - use Runtime or Log instead.
     */
    export namespace Console {

        export const enum ConsoleMessageSource {
            XML = 'xml',
            Javascript = 'javascript',
            Network = 'network',
            ConsoleAPI = 'console-api',
            Storage = 'storage',
            Appcache = 'appcache',
            Rendering = 'rendering',
            Security = 'security',
            Other = 'other',
            Deprecation = 'deprecation',
            Worker = 'worker',
        }

        export const enum ConsoleMessageLevel {
            Log = 'log',
            Warning = 'warning',
            Error = 'error',
            Debug = 'debug',
            Info = 'info',
        }

        /**
         * Console message.
         */
        export interface ConsoleMessage {
            /**
             * Message source. (ConsoleMessageSource enum)
             */
            source: ('xml' | 'javascript' | 'network' | 'console-api' | 'storage' | 'appcache' | 'rendering' | 'security' | 'other' | 'deprecation' | 'worker');
            /**
             * Message severity. (ConsoleMessageLevel enum)
             */
            level: ('log' | 'warning' | 'error' | 'debug' | 'info');
            /**
             * Message text.
             */
            text: string;
            /**
             * URL of the message origin.
             */
            url?: string;
            /**
             * Line number in the resource that generated this message (1-based).
             */
            line?: integer;
            /**
             * Column number in the resource that generated this message (1-based).
             */
            column?: integer;
        }

        /**
         * Issued when new console message is added.
         */
        export interface MessageAddedEvent {
            /**
             * Console message that has been added.
             */
            message: ConsoleMessage;
        }
    }

    /**
     * Debugger domain exposes JavaScript debugging capabilities. It allows setting and removing
     * breakpoints, stepping through execution, exploring stack traces, etc.
     */
    export namespace Debugger {

        /**
         * Breakpoint identifier.
         */
        export type BreakpointId = string;

        /**
         * Call frame identifier.
         */
        export type CallFrameId = string;

        /**
         * Location in the source code.
         */
        export interface Location {
            /**
             * Script identifier as reported in the `Debugger.scriptParsed`.
             */
            scriptId: Runtime.ScriptId;
            /**
             * Line number in the script (0-based).
             */
            lineNumber: integer;
            /**
             * Column number in the script (0-based).
             */
            columnNumber?: integer;
        }

        /**
         * Location in the source code.
         */
        export interface ScriptPosition {
            lineNumber: integer;
            columnNumber: integer;
        }

        /**
         * Location range within one script.
         */
        export interface LocationRange {
            scriptId: Runtime.ScriptId;
            start: ScriptPosition;
            end: ScriptPosition;
        }

        /**
         * JavaScript call frame. Array of call frames form the call stack.
         */
        export interface CallFrame {
            /**
             * Call frame identifier. This identifier is only valid while the virtual machine is paused.
             */
            callFrameId: CallFrameId;
            /**
             * Name of the JavaScript function called on this call frame.
             */
            functionName: string;
            /**
             * Location in the source code.
             */
            functionLocation?: Location;
            /**
             * Location in the source code.
             */
            location: Location;
            /**
             * JavaScript script name or url.
             */
            url: string;
            /**
             * Scope chain for this call frame.
             */
            scopeChain: Scope[];
            /**
             * `this` object for this call frame.
             */
            this: Runtime.RemoteObject;
            /**
             * The value being returned, if the function is at return point.
             */
            returnValue?: Runtime.RemoteObject;
        }

        export const enum ScopeType {
            Global = 'global',
            Local = 'local',
            With = 'with',
            Closure = 'closure',
            Catch = 'catch',
            Block = 'block',
            Script = 'script',
            Eval = 'eval',
            Module = 'module',
            WasmExpressionStack = 'wasm-expression-stack',
        }

        /**
         * Scope description.
         */
        export interface Scope {
            /**
             * Scope type. (ScopeType enum)
             */
            type: ('global' | 'local' | 'with' | 'closure' | 'catch' | 'block' | 'script' | 'eval' | 'module' | 'wasm-expression-stack');
            /**
             * Object representing the scope. For `global` and `with` scopes it represents the actual
             * object; for the rest of the scopes, it is artificial transient object enumerating scope
             * variables as its properties.
             */
            object: Runtime.RemoteObject;
            name?: string;
            /**
             * Location in the source code where scope starts
             */
            startLocation?: Location;
            /**
             * Location in the source code where scope ends
             */
            endLocation?: Location;
        }

        /**
         * Search match for resource.
         */
        export interface SearchMatch {
            /**
             * Line number in resource content.
             */
            lineNumber: number;
            /**
             * Line with match content.
             */
            lineContent: string;
        }

        export const enum BreakLocationType {
            DebuggerStatement = 'debuggerStatement',
            Call = 'call',
            Return = 'return',
        }

        export interface BreakLocation {
            /**
             * Script identifier as reported in the `Debugger.scriptParsed`.
             */
            scriptId: Runtime.ScriptId;
            /**
             * Line number in the script (0-based).
             */
            lineNumber: integer;
            /**
             * Column number in the script (0-based).
             */
            columnNumber?: integer;
            /**
             *  (BreakLocationType enum)
             */
            type?: ('debuggerStatement' | 'call' | 'return');
        }

        /**
         * Enum of possible script languages.
         */
        export type ScriptLanguage = ('JavaScript' | 'WebAssembly');

        export const enum DebugSymbolsType {
            None = 'None',
            SourceMap = 'SourceMap',
            EmbeddedDWARF = 'EmbeddedDWARF',
            ExternalDWARF = 'ExternalDWARF',
        }

        /**
         * Debug symbols available for a wasm script.
         */
        export interface DebugSymbols {
            /**
             * Type of the debug symbols. (DebugSymbolsType enum)
             */
            type: ('None' | 'SourceMap' | 'EmbeddedDWARF' | 'ExternalDWARF');
            /**
             * URL of the external symbol source.
             */
            externalURL?: string;
        }

        export const enum ContinueToLocationRequestTargetCallFrames {
            Any = 'any',
            Current = 'current',
        }

        export interface ContinueToLocationRequest {
            /**
             * Location to continue to.
             */
            location: Location;
            /**
             *  (ContinueToLocationRequestTargetCallFrames enum)
             */
            targetCallFrames?: ('any' | 'current');
        }

        export interface EnableRequest {
            /**
             * The maximum size in bytes of collected scripts (not referenced by other heap objects)
             * the debugger can hold. Puts no limit if paramter is omitted.
             */
            maxScriptsCacheSize?: number;
        }

        export interface EnableResponse {
            /**
             * Unique identifier of the debugger.
             */
            debuggerId: Runtime.UniqueDebuggerId;
        }

        export interface EvaluateOnCallFrameRequest {
            /**
             * Call frame identifier to evaluate on.
             */
            callFrameId: CallFrameId;
            /**
             * Expression to evaluate.
             */
            expression: string;
            /**
             * String object group name to put result into (allows rapid releasing resulting object handles
             * using `releaseObjectGroup`).
             */
            objectGroup?: string;
            /**
             * Specifies whether command line API should be available to the evaluated expression, defaults
             * to false.
             */
            includeCommandLineAPI?: boolean;
            /**
             * In silent mode exceptions thrown during evaluation are not reported and do not pause
             * execution. Overrides `setPauseOnException` state.
             */
            silent?: boolean;
            /**
             * Whether the result is expected to be a JSON object that should be sent by value.
             */
            returnByValue?: boolean;
            /**
             * Whether preview should be generated for the result.
             */
            generatePreview?: boolean;
            /**
             * Whether to throw an exception if side effect cannot be ruled out during evaluation.
             */
            throwOnSideEffect?: boolean;
            /**
             * Terminate execution after timing out (number of milliseconds).
             */
            timeout?: Runtime.TimeDelta;
        }

        export interface EvaluateOnCallFrameResponse {
            /**
             * Object wrapper for the evaluation result.
             */
            result: Runtime.RemoteObject;
            /**
             * Exception details.
             */
            exceptionDetails?: Runtime.ExceptionDetails;
        }

        export interface ExecuteWasmEvaluatorRequest {
            /**
             * WebAssembly call frame identifier to evaluate on.
             */
            callFrameId: CallFrameId;
            /**
             * Code of the evaluator module.
             */
            evaluator: string;
            /**
             * Terminate execution after timing out (number of milliseconds).
             */
            timeout?: Runtime.TimeDelta;
        }

        export interface ExecuteWasmEvaluatorResponse {
            /**
             * Object wrapper for the evaluation result.
             */
            result: Runtime.RemoteObject;
            /**
             * Exception details.
             */
            exceptionDetails?: Runtime.ExceptionDetails;
        }

        export interface GetPossibleBreakpointsRequest {
            /**
             * Start of range to search possible breakpoint locations in.
             */
            start: Location;
            /**
             * End of range to search possible breakpoint locations in (excluding). When not specified, end
             * of scripts is used as end of range.
             */
            end?: Location;
            /**
             * Only consider locations which are in the same (non-nested) function as start.
             */
            restrictToFunction?: boolean;
        }

        export interface GetPossibleBreakpointsResponse {
            /**
             * List of the possible breakpoint locations.
             */
            locations: BreakLocation[];
        }

        export interface GetScriptSourceRequest {
            /**
             * Id of the script to get source for.
             */
            scriptId: Runtime.ScriptId;
        }

        export interface GetScriptSourceResponse {
            /**
             * Script source (empty in case of Wasm bytecode).
             */
            scriptSource: string;
            /**
             * Wasm bytecode.
             */
            bytecode?: string;
        }

        export interface GetWasmBytecodeRequest {
            /**
             * Id of the Wasm script to get source for.
             */
            scriptId: Runtime.ScriptId;
        }

        export interface GetWasmBytecodeResponse {
            /**
             * Script source.
             */
            bytecode: string;
        }

        export interface GetStackTraceRequest {
            stackTraceId: Runtime.StackTraceId;
        }

        export interface GetStackTraceResponse {
            stackTrace: Runtime.StackTrace;
        }

        export interface PauseOnAsyncCallRequest {
            /**
             * Debugger will pause when async call with given stack trace is started.
             */
            parentStackTraceId: Runtime.StackTraceId;
        }

        export interface RemoveBreakpointRequest {
            breakpointId: BreakpointId;
        }

        export interface RestartFrameRequest {
            /**
             * Call frame identifier to evaluate on.
             */
            callFrameId: CallFrameId;
        }

        export interface RestartFrameResponse {
            /**
             * New stack trace.
             */
            callFrames: CallFrame[];
            /**
             * Async stack trace, if any.
             */
            asyncStackTrace?: Runtime.StackTrace;
            /**
             * Async stack trace, if any.
             */
            asyncStackTraceId?: Runtime.StackTraceId;
        }

        export interface ResumeRequest {
            /**
             * Set to true to terminate execution upon resuming execution. In contrast
             * to Runtime.terminateExecution, this will allows to execute further
             * JavaScript (i.e. via evaluation) until execution of the paused code
             * is actually resumed, at which point termination is triggered.
             * If execution is currently not paused, this parameter has no effect.
             */
            terminateOnResume?: boolean;
        }

        export interface SearchInContentRequest {
            /**
             * Id of the script to search in.
             */
            scriptId: Runtime.ScriptId;
            /**
             * String to search for.
             */
            query: string;
            /**
             * If true, search is case sensitive.
             */
            caseSensitive?: boolean;
            /**
             * If true, treats string parameter as regex.
             */
            isRegex?: boolean;
        }

        export interface SearchInContentResponse {
            /**
             * List of search matches.
             */
            result: SearchMatch[];
        }

        export interface SetAsyncCallStackDepthRequest {
            /**
             * Maximum depth of async call stacks. Setting to `0` will effectively disable collecting async
             * call stacks (default).
             */
            maxDepth: integer;
        }

        export interface SetBlackboxPatternsRequest {
            /**
             * Array of regexps that will be used to check script url for blackbox state.
             */
            patterns: string[];
        }

        export interface SetBlackboxedRangesRequest {
            /**
             * Id of the script.
             */
            scriptId: Runtime.ScriptId;
            positions: ScriptPosition[];
        }

        export interface SetBreakpointRequest {
            /**
             * Location to set breakpoint in.
             */
            location: Location;
            /**
             * Expression to use as a breakpoint condition. When specified, debugger will only stop on the
             * breakpoint if this expression evaluates to true.
             */
            condition?: string;
        }

        export interface SetBreakpointResponse {
            /**
             * Id of the created breakpoint for further reference.
             */
            breakpointId: BreakpointId;
            /**
             * Location this breakpoint resolved into.
             */
            actualLocation: Location;
        }

        export const enum SetInstrumentationBreakpointRequestInstrumentation {
            BeforeScriptExecution = 'beforeScriptExecution',
            BeforeScriptWithSourceMapExecution = 'beforeScriptWithSourceMapExecution',
        }

        export interface SetInstrumentationBreakpointRequest {
            /**
             * Instrumentation name. (SetInstrumentationBreakpointRequestInstrumentation enum)
             */
            instrumentation: ('beforeScriptExecution' | 'beforeScriptWithSourceMapExecution');
        }

        export interface SetInstrumentationBreakpointResponse {
            /**
             * Id of the created breakpoint for further reference.
             */
            breakpointId: BreakpointId;
        }

        export interface SetBreakpointByUrlRequest {
            /**
             * Line number to set breakpoint at.
             */
            lineNumber: integer;
            /**
             * URL of the resources to set breakpoint on.
             */
            url?: string;
            /**
             * Regex pattern for the URLs of the resources to set breakpoints on. Either `url` or
             * `urlRegex` must be specified.
             */
            urlRegex?: string;
            /**
             * Script hash of the resources to set breakpoint on.
             */
            scriptHash?: string;
            /**
             * Offset in the line to set breakpoint at.
             */
            columnNumber?: integer;
            /**
             * Expression to use as a breakpoint condition. When specified, debugger will only stop on the
             * breakpoint if this expression evaluates to true.
             */
            condition?: string;
        }

        export interface SetBreakpointByUrlResponse {
            /**
             * Id of the created breakpoint for further reference.
             */
            breakpointId: BreakpointId;
            /**
             * List of the locations this breakpoint resolved into upon addition.
             */
            locations: Location[];
        }

        export interface SetBreakpointOnFunctionCallRequest {
            /**
             * Function object id.
             */
            objectId: Runtime.RemoteObjectId;
            /**
             * Expression to use as a breakpoint condition. When specified, debugger will
             * stop on the breakpoint if this expression evaluates to true.
             */
            condition?: string;
        }

        export interface SetBreakpointOnFunctionCallResponse {
            /**
             * Id of the created breakpoint for further reference.
             */
            breakpointId: BreakpointId;
        }

        export interface SetBreakpointsActiveRequest {
            /**
             * New value for breakpoints active state.
             */
            active: boolean;
        }

        export const enum SetPauseOnExceptionsRequestState {
            None = 'none',
            Uncaught = 'uncaught',
            All = 'all',
        }

        export interface SetPauseOnExceptionsRequest {
            /**
             * Pause on exceptions mode. (SetPauseOnExceptionsRequestState enum)
             */
            state: ('none' | 'uncaught' | 'all');
        }

        export interface SetReturnValueRequest {
            /**
             * New return value.
             */
            newValue: Runtime.CallArgument;
        }

        export interface SetScriptSourceRequest {
            /**
             * Id of the script to edit.
             */
            scriptId: Runtime.ScriptId;
            /**
             * New content of the script.
             */
            scriptSource: string;
            /**
             * If true the change will not actually be applied. Dry run may be used to get result
             * description without actually modifying the code.
             */
            dryRun?: boolean;
        }

        export interface SetScriptSourceResponse {
            /**
             * New stack trace in case editing has happened while VM was stopped.
             */
            callFrames?: CallFrame[];
            /**
             * Whether current call stack  was modified after applying the changes.
             */
            stackChanged?: boolean;
            /**
             * Async stack trace, if any.
             */
            asyncStackTrace?: Runtime.StackTrace;
            /**
             * Async stack trace, if any.
             */
            asyncStackTraceId?: Runtime.StackTraceId;
            /**
             * Exception details if any.
             */
            exceptionDetails?: Runtime.ExceptionDetails;
        }

        export interface SetSkipAllPausesRequest {
            /**
             * New value for skip pauses state.
             */
            skip: boolean;
        }

        export interface SetVariableValueRequest {
            /**
             * 0-based number of scope as was listed in scope chain. Only 'local', 'closure' and 'catch'
             * scope types are allowed. Other scopes could be manipulated manually.
             */
            scopeNumber: integer;
            /**
             * Variable name.
             */
            variableName: string;
            /**
             * New variable value.
             */
            newValue: Runtime.CallArgument;
            /**
             * Id of callframe that holds variable.
             */
            callFrameId: CallFrameId;
        }

        export interface StepIntoRequest {
            /**
             * Debugger will pause on the execution of the first async task which was scheduled
             * before next pause.
             */
            breakOnAsyncCall?: boolean;
            /**
             * The skipList specifies location ranges that should be skipped on step into.
             */
            skipList?: LocationRange[];
        }

        export interface StepOverRequest {
            /**
             * The skipList specifies location ranges that should be skipped on step over.
             */
            skipList?: LocationRange[];
        }

        /**
         * Fired when breakpoint is resolved to an actual script and location.
         */
        export interface BreakpointResolvedEvent {
            /**
             * Breakpoint unique identifier.
             */
            breakpointId: BreakpointId;
            /**
             * Actual breakpoint location.
             */
            location: Location;
        }

        export const enum PausedEventReason {
            Ambiguous = 'ambiguous',
            Assert = 'assert',
            DebugCommand = 'debugCommand',
            DOM = 'DOM',
            EventListener = 'EventListener',
            Exception = 'exception',
            Instrumentation = 'instrumentation',
            OOM = 'OOM',
            Other = 'other',
            PromiseRejection = 'promiseRejection',
            XHR = 'XHR',
        }

        /**
         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
         */
        export interface PausedEvent {
            /**
             * Call stack the virtual machine stopped on.
             */
            callFrames: CallFrame[];
            /**
             * Pause reason. (PausedEventReason enum)
             */
            reason: ('ambiguous' | 'assert' | 'debugCommand' | 'DOM' | 'EventListener' | 'exception' | 'instrumentation' | 'OOM' | 'other' | 'promiseRejection' | 'XHR');
            /**
             * Object containing break-specific auxiliary properties.
             */
            data?: any;
            /**
             * Hit breakpoints IDs
             */
            hitBreakpoints?: string[];
            /**
             * Async stack trace, if any.
             */
            asyncStackTrace?: Runtime.StackTrace;
            /**
             * Async stack trace, if any.
             */
            asyncStackTraceId?: Runtime.StackTraceId;
            /**
             * Never present, will be removed.
             */
            asyncCallStackTraceId?: Runtime.StackTraceId;
        }

        /**
         * Fired when virtual machine fails to parse the script.
         */
        export interface ScriptFailedToParseEvent {
            /**
             * Identifier of the script parsed.
             */
            scriptId: Runtime.ScriptId;
            /**
             * URL or name of the script parsed (if any).
             */
            url: string;
            /**
             * Line offset of the script within the resource with given URL (for script tags).
             */
            startLine: integer;
            /**
             * Column offset of the script within the resource with given URL.
             */
            startColumn: integer;
            /**
             * Last line of the script.
             */
            endLine: integer;
            /**
             * Length of the last line of the script.
             */
            endColumn: integer;
            /**
             * Specifies script creation context.
             */
            executionContextId: Runtime.ExecutionContextId;
            /**
             * Content hash of the script.
             */
            hash: string;
            /**
             * Embedder-specific auxiliary data.
             */
            executionContextAuxData?: any;
            /**
             * URL of source map associated with script (if any).
             */
            sourceMapURL?: string;
            /**
             * True, if this script has sourceURL.
             */
            hasSourceURL?: boolean;
            /**
             * True, if this script is ES6 module.
             */
            isModule?: boolean;
            /**
             * This script length.
             */
            length?: integer;
            /**
             * JavaScript top stack frame of where the script parsed event was triggered if available.
             */
            stackTrace?: Runtime.StackTrace;
            /**
             * If the scriptLanguage is WebAssembly, the code section offset in the module.
             */
            codeOffset?: integer;
            /**
             * The language of the script.
             */
            scriptLanguage?: Debugger.ScriptLanguage;
            /**
             * The name the embedder supplied for this script.
             */
            embedderName?: string;
        }

        /**
         * Fired when virtual machine parses script. This event is also fired for all known and uncollected
         * scripts upon enabling debugger.
         */
        export interface ScriptParsedEvent {
            /**
             * Identifier of the script parsed.
             */
            scriptId: Runtime.ScriptId;
            /**
             * URL or name of the script parsed (if any).
             */
            url: string;
            /**
             * Line offset of the script within the resource with given URL (for script tags).
             */
            startLine: integer;
            /**
             * Column offset of the script within the resource with given URL.
             */
            startColumn: integer;
            /**
             * Last line of the script.
             */
            endLine: integer;
            /**
             * Length of the last line of the script.
             */
            endColumn: integer;
            /**
             * Specifies script creation context.
             */
            executionContextId: Runtime.ExecutionContextId;
            /**
             * Content hash of the script.
             */
            hash: string;
            /**
             * Embedder-specific auxiliary data.
             */
            executionContextAuxData?: any;
            /**
             * True, if this script is generated as a result of the live edit operation.
             */
            isLiveEdit?: boolean;
            /**
             * URL of source map associated with script (if any).
             */
            sourceMapURL?: string;
            /**
             * True, if this script has sourceURL.
             */
            hasSourceURL?: boolean;
            /**
             * True, if this script is ES6 module.
             */
            isModule?: boolean;
            /**
             * This script length.
             */
            length?: integer;
            /**
             * JavaScript top stack frame of where the script parsed event was triggered if available.
             */
            stackTrace?: Runtime.StackTrace;
            /**
             * If the scriptLanguage is WebAssembly, the code section offset in the module.
             */
            codeOffset?: integer;
            /**
             * The language of the script.
             */
            scriptLanguage?: Debugger.ScriptLanguage;
            /**
             * If the scriptLanguage is WebASsembly, the source of debug symbols for the module.
             */
            debugSymbols?: Debugger.DebugSymbols;
            /**
             * The name the embedder supplied for this script.
             */
            embedderName?: string;
        }
    }

    export namespace HeapProfiler {

        /**
         * Heap snapshot object id.
         */
        export type HeapSnapshotObjectId = string;

        /**
         * Sampling Heap Profile node. Holds callsite information, allocation statistics and child nodes.
         */
        export interface SamplingHeapProfileNode {
            /**
             * Function location.
             */
            callFrame: Runtime.CallFrame;
            /**
             * Allocations size in bytes for the node excluding children.
             */
            selfSize: number;
            /**
             * Node id. Ids are unique across all profiles collected between startSampling and stopSampling.
             */
            id: integer;
            /**
             * Child nodes.
             */
            children: SamplingHeapProfileNode[];
        }

        /**
         * A single sample from a sampling profile.
         */
        export interface SamplingHeapProfileSample {
            /**
             * Allocation size in bytes attributed to the sample.
             */
            size: number;
            /**
             * Id of the corresponding profile tree node.
             */
            nodeId: integer;
            /**
             * Time-ordered sample ordinal number. It is unique across all profiles retrieved
             * between startSampling and stopSampling.
             */
            ordinal: number;
        }

        /**
         * Sampling profile.
         */
        export interface SamplingHeapProfile {
            head: SamplingHeapProfileNode;
            samples: SamplingHeapProfileSample[];
        }

        export interface AddInspectedHeapObjectRequest {
            /**
             * Heap snapshot object id to be accessible by means of $x command line API.
             */
            heapObjectId: HeapSnapshotObjectId;
        }

        export interface GetHeapObjectIdRequest {
            /**
             * Identifier of the object to get heap object id for.
             */
            objectId: Runtime.RemoteObjectId;
        }

        export interface GetHeapObjectIdResponse {
            /**
             * Id of the heap snapshot object corresponding to the passed remote object id.
             */
            heapSnapshotObjectId: HeapSnapshotObjectId;
        }

        export interface GetObjectByHeapObjectIdRequest {
            objectId: HeapSnapshotObjectId;
            /**
             * Symbolic group name that can be used to release multiple objects.
             */
            objectGroup?: string;
        }

        export interface GetObjectByHeapObjectIdResponse {
            /**
             * Evaluation result.
             */
            result: Runtime.RemoteObject;
        }

        export interface GetSamplingProfileResponse {
            /**
             * Return the sampling profile being collected.
             */
            profile: SamplingHeapProfile;
        }

        export interface StartSamplingRequest {
            /**
             * Average sample interval in bytes. Poisson distribution is used for the intervals. The
             * default value is 32768 bytes.
             */
            samplingInterval?: number;
        }

        export interface StartTrackingHeapObjectsRequest {
            trackAllocations?: boolean;
        }

        export interface StopSamplingResponse {
            /**
             * Recorded sampling heap profile.
             */
            profile: SamplingHeapProfile;
        }

        export interface StopTrackingHeapObjectsRequest {
            /**
             * If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken
             * when the tracking is stopped.
             */
            reportProgress?: boolean;
            treatGlobalObjectsAsRoots?: boolean;
        }

        export interface TakeHeapSnapshotRequest {
            /**
             * If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken.
             */
            reportProgress?: boolean;
            /**
             * If true, a raw snapshot without artifical roots will be generated
             */
            treatGlobalObjectsAsRoots?: boolean;
        }

        export interface AddHeapSnapshotChunkEvent {
            chunk: string;
        }

        /**
         * If heap objects tracking has been started then backend may send update for one or more fragments
         */
        export interface HeapStatsUpdateEvent {
            /**
             * An array of triplets. Each triplet describes a fragment. The first integer is the fragment
             * index, the second integer is a total count of objects for the fragment, the third integer is
             * a total size of the objects for the fragment.
             */
            statsUpdate: integer[];
        }

        /**
         * If heap objects tracking has been started then backend regularly sends a current value for last
         * seen object id and corresponding timestamp. If the were changes in the heap since last event
         * then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
         */
        export interface LastSeenObjectIdEvent {
            lastSeenObjectId: integer;
            timestamp: number;
        }

        export interface ReportHeapSnapshotProgressEvent {
            done: integer;
            total: integer;
            finished?: boolean;
        }
    }

    export namespace Profiler {

        /**
         * Profile node. Holds callsite information, execution statistics and child nodes.
         */
        export interface ProfileNode {
            /**
             * Unique id of the node.
             */
            id: integer;
            /**
             * Function location.
             */
            callFrame: Runtime.CallFrame;
            /**
             * Number of samples where this node was on top of the call stack.
             */
            hitCount?: integer;
            /**
             * Child node ids.
             */
            children?: integer[];
            /**
             * The reason of being not optimized. The function may be deoptimized or marked as don't
             * optimize.
             */
            deoptReason?: string;
            /**
             * An array of source position ticks.
             */
            positionTicks?: PositionTickInfo[];
        }

        /**
         * Profile.
         */
        export interface Profile {
            /**
             * The list of profile nodes. First item is the root node.
             */
            nodes: ProfileNode[];
            /**
             * Profiling start timestamp in microseconds.
             */
            startTime: number;
            /**
             * Profiling end timestamp in microseconds.
             */
            endTime: number;
            /**
             * Ids of samples top nodes.
             */
            samples?: integer[];
            /**
             * Time intervals between adjacent samples in microseconds. The first delta is relative to the
             * profile startTime.
             */
            timeDeltas?: integer[];
        }

        /**
         * Specifies a number of samples attributed to a certain source position.
         */
        export interface PositionTickInfo {
            /**
             * Source line number (1-based).
             */
            line: integer;
            /**
             * Number of samples attributed to the source line.
             */
            ticks: integer;
        }

        /**
         * Coverage data for a source range.
         */
        export interface CoverageRange {
            /**
             * JavaScript script source offset for the range start.
             */
            startOffset: integer;
            /**
             * JavaScript script source offset for the range end.
             */
            endOffset: integer;
            /**
             * Collected execution count of the source range.
             */
            count: integer;
        }

        /**
         * Coverage data for a JavaScript function.
         */
        export interface FunctionCoverage {
            /**
             * JavaScript function name.
             */
            functionName: string;
            /**
             * Source ranges inside the function with coverage data.
             */
            ranges: CoverageRange[];
            /**
             * Whether coverage data for this function has block granularity.
             */
            isBlockCoverage: boolean;
        }

        /**
         * Coverage data for a JavaScript script.
         */
        export interface ScriptCoverage {
            /**
             * JavaScript script id.
             */
            scriptId: Runtime.ScriptId;
            /**
             * JavaScript script name or url.
             */
            url: string;
            /**
             * Functions contained in the script that has coverage data.
             */
            functions: FunctionCoverage[];
        }

        /**
         * Describes a type collected during runtime.
         */
        export interface TypeObject {
            /**
             * Name of a type collected with type profiling.
             */
            name: string;
        }

        /**
         * Source offset and types for a parameter or return value.
         */
        export interface TypeProfileEntry {
            /**
             * Source offset of the parameter or end of function for return values.
             */
            offset: integer;
            /**
             * The types for this parameter or return value.
             */
            types: TypeObject[];
        }

        /**
         * Type profile data collected during runtime for a JavaScript script.
         */
        export interface ScriptTypeProfile {
            /**
             * JavaScript script id.
             */
            scriptId: Runtime.ScriptId;
            /**
             * JavaScript script name or url.
             */
            url: string;
            /**
             * Type profile entries for parameters and return values of the functions in the script.
             */
            entries: TypeProfileEntry[];
        }

        /**
         * Collected counter information.
         */
        export interface CounterInfo {
            /**
             * Counter name.
             */
            name: string;
            /**
             * Counter value.
             */
            value: integer;
        }

        export interface GetBestEffortCoverageResponse {
            /**
             * Coverage data for the current isolate.
             */
            result: ScriptCoverage[];
        }

        export interface SetSamplingIntervalRequest {
            /**
             * New sampling interval in microseconds.
             */
            interval: integer;
        }

        export interface StartPreciseCoverageRequest {
            /**
             * Collect accurate call counts beyond simple 'covered' or 'not covered'.
             */
            callCount?: boolean;
            /**
             * Collect block-based coverage.
             */
            detailed?: boolean;
            /**
             * Allow the backend to send updates on its own initiative
             */
            allowTriggeredUpdates?: boolean;
        }

        export interface StartPreciseCoverageResponse {
            /**
             * Monotonically increasing time (in seconds) when the coverage update was taken in the backend.
             */
            timestamp: number;
        }

        export interface StopResponse {
            /**
             * Recorded profile.
             */
            profile: Profile;
        }

        export interface TakePreciseCoverageResponse {
            /**
             * Coverage data for the current isolate.
             */
            result: ScriptCoverage[];
            /**
             * Monotonically increasing time (in seconds) when the coverage update was taken in the backend.
             */
            timestamp: number;
        }

        export interface TakeTypeProfileResponse {
            /**
             * Type profile for all scripts since startTypeProfile() was turned on.
             */
            result: ScriptTypeProfile[];
        }

        export interface GetRuntimeCallStatsResponse {
            /**
             * Collected counter information.
             */
            result: CounterInfo[];
        }

        export interface ConsoleProfileFinishedEvent {
            id: string;
            /**
             * Location of console.profileEnd().
             */
            location: Debugger.Location;
            profile: Profile;
            /**
             * Profile title passed as an argument to console.profile().
             */
            title?: string;
        }

        /**
         * Sent when new profile recording is started using console.profile() call.
         */
        export interface ConsoleProfileStartedEvent {
            id: string;
            /**
             * Location of console.profile().
             */
            location: Debugger.Location;
            /**
             * Profile title passed as an argument to console.profile().
             */
            title?: string;
        }

        /**
         * Reports coverage delta since the last poll (either from an event like this, or from
         * `takePreciseCoverage` for the current isolate. May only be sent if precise code
         * coverage has been started. This event can be trigged by the embedder to, for example,
         * trigger collection of coverage data immediatelly at a certain point in time.
         */
        export interface PreciseCoverageDeltaUpdateEvent {
            /**
             * Monotonically increasing time (in seconds) when the coverage update was taken in the backend.
             */
            timestamp: number;
            /**
             * Identifier for distinguishing coverage events.
             */
            occassion: string;
            /**
             * Coverage data for the current isolate.
             */
            result: ScriptCoverage[];
        }
    }

    /**
     * Runtime domain exposes JavaScript runtime by means of remote evaluation and mirror objects.
     * Evaluation results are returned as mirror object that expose object type, string representation
     * and unique identifier that can be used for further object reference. Original objects are
     * maintained in memory unless they are either explicitly released or are released along with the
     * other objects in their object group.
     */
    export namespace Runtime {

        /**
         * Unique script identifier.
         */
        export type ScriptId = string;

        /**
         * Unique object identifier.
         */
        export type RemoteObjectId = string;

        /**
         * Primitive value which cannot be JSON-stringified. Includes values `-0`, `NaN`, `Infinity`,
         * `-Infinity`, and bigint literals.
         */
        export type UnserializableValue = string;

        export const enum RemoteObjectType {
            Object = 'object',
            Function = 'function',
            Undefined = 'undefined',
            String = 'string',
            Number = 'number',
            Boolean = 'boolean',
            Symbol = 'symbol',
            Bigint = 'bigint',
            Wasm = 'wasm',
        }

        export const enum RemoteObjectSubtype {
            Array = 'array',
            Null = 'null',
            Node = 'node',
            Regexp = 'regexp',
            Date = 'date',
            Map = 'map',
            Set = 'set',
            Weakmap = 'weakmap',
            Weakset = 'weakset',
            Iterator = 'iterator',
            Generator = 'generator',
            Error = 'error',
            Proxy = 'proxy',
            Promise = 'promise',
            Typedarray = 'typedarray',
            Arraybuffer = 'arraybuffer',
            Dataview = 'dataview',
            I32 = 'i32',
            I64 = 'i64',
            F32 = 'f32',
            F64 = 'f64',
            V128 = 'v128',
            Externref = 'externref',
        }

        /**
         * Mirror object referencing original JavaScript object.
         */
        export interface RemoteObject {
            /**
             * Object type. (RemoteObjectType enum)
             */
            type: ('object' | 'function' | 'undefined' | 'string' | 'number' | 'boolean' | 'symbol' | 'bigint' | 'wasm');
            /**
             * Object subtype hint. Specified for `object` or `wasm` type values only. (RemoteObjectSubtype enum)
             */
            subtype?: ('array' | 'null' | 'node' | 'regexp' | 'date' | 'map' | 'set' | 'weakmap' | 'weakset' | 'iterator' | 'generator' | 'error' | 'proxy' | 'promise' | 'typedarray' | 'arraybuffer' | 'dataview' | 'i32' | 'i64' | 'f32' | 'f64' | 'v128' | 'externref');
            /**
             * Object class (constructor) name. Specified for `object` type values only.
             */
            className?: string;
            /**
             * Remote object value in case of primitive values or JSON values (if it was requested).
             */
            value?: any;
            /**
             * Primitive value which can not be JSON-stringified does not have `value`, but gets this
             * property.
             */
            unserializableValue?: UnserializableValue;
            /**
             * String representation of the object.
             */
            description?: string;
            /**
             * Unique object identifier (for non-primitive values).
             */
            objectId?: RemoteObjectId;
            /**
             * Preview containing abbreviated property values. Specified for `object` type values only.
             */
            preview?: ObjectPreview;
            customPreview?: CustomPreview;
        }

        export interface CustomPreview {
            /**
             * The JSON-stringified result of formatter.header(object, config) call.
             * It contains json ML array that represents RemoteObject.
             */
            header: string;
            /**
             * If formatter returns true as a result of formatter.hasBody call then bodyGetterId will
             * contain RemoteObjectId for the function that returns result of formatter.body(object, config) call.
             * The result value is json ML array.
             */
            bodyGetterId?: RemoteObjectId;
        }

        export const enum ObjectPreviewType {
            Object = 'object',
            Function = 'function',
            Undefined = 'undefined',
            String = 'string',
            Number = 'number',
            Boolean = 'boolean',
            Symbol = 'symbol',
            Bigint = 'bigint',
        }

        export const enum ObjectPreviewSubtype {
            Array = 'array',
            Null = 'null',
            Node = 'node',
            Regexp = 'regexp',
            Date = 'date',
            Map = 'map',
            Set = 'set',
            Weakmap = 'weakmap',
            Weakset = 'weakset',
            Iterator = 'iterator',
            Generator = 'generator',
            Error = 'error',
        }

        /**
         * Object containing abbreviated remote object value.
         */
        export interface ObjectPreview {
            /**
             * Object type. (ObjectPreviewType enum)
             */
            type: ('object' | 'function' | 'undefined' | 'string' | 'number' | 'boolean' | 'symbol' | 'bigint');
            /**
             * Object subtype hint. Specified for `object` type values only. (ObjectPreviewSubtype enum)
             */
            subtype?: ('array' | 'null' | 'node' | 'regexp' | 'date' | 'map' | 'set' | 'weakmap' | 'weakset' | 'iterator' | 'generator' | 'error');
            /**
             * String representation of the object.
             */
            description?: string;
            /**
             * True iff some of the properties or entries of the original object did not fit.
             */
            overflow: boolean;
            /**
             * List of the properties.
             */
            properties: PropertyPreview[];
            /**
             * List of the entries. Specified for `map` and `set` subtype values only.
             */
            entries?: EntryPreview[];
        }

        export const enum PropertyPreviewType {
            Object = 'object',
            Function = 'function',
            Undefined = 'undefined',
            String = 'string',
            Number = 'number',
            Boolean = 'boolean',
            Symbol = 'symbol',
            Accessor = 'accessor',
            Bigint = 'bigint',
        }

        export const enum PropertyPreviewSubtype {
            Array = 'array',
            Null = 'null',
            Node = 'node',
            Regexp = 'regexp',
            Date = 'date',
            Map = 'map',
            Set = 'set',
            Weakmap = 'weakmap',
            Weakset = 'weakset',
            Iterator = 'iterator',
            Generator = 'generator',
            Error = 'error',
        }

        export interface PropertyPreview {
            /**
             * Property name.
             */
            name: string;
            /**
             * Object type. Accessor means that the property itself is an accessor property. (PropertyPreviewType enum)
             */
            type: ('object' | 'function' | 'undefined' | 'string' | 'number' | 'boolean' | 'symbol' | 'accessor' | 'bigint');
            /**
             * User-friendly property value string.
             */
            value?: string;
            /**
             * Nested value preview.
             */
            valuePreview?: ObjectPreview;
            /**
             * Object subtype hint. Specified for `object` type values only. (PropertyPreviewSubtype enum)
             */
            subtype?: ('array' | 'null' | 'node' | 'regexp' | 'date' | 'map' | 'set' | 'weakmap' | 'weakset' | 'iterator' | 'generator' | 'error');
        }

        export interface EntryPreview {
            /**
             * Preview of the key. Specified for map-like collection entries.
             */
            key?: ObjectPreview;
            /**
             * Preview of the value.
             */
            value: ObjectPreview;
        }

        /**
         * Object property descriptor.
         */
        export interface PropertyDescriptor {
            /**
             * Property name or symbol description.
             */
            name: string;
            /**
             * The value associated with the property.
             */
            value?: RemoteObject;
            /**
             * True if the value associated with the property may be changed (data descriptors only).
             */
            writable?: boolean;
            /**
             * A function which serves as a getter for the property, or `undefined` if there is no getter
             * (accessor descriptors only).
             */
            get?: RemoteObject;
            /**
             * A function which serves as a setter for the property, or `undefined` if there is no setter
             * (accessor descriptors only).
             */
            set?: RemoteObject;
            /**
             * True if the type of this property descriptor may be changed and if the property may be
             * deleted from the corresponding object.
             */
            configurable: boolean;
            /**
             * True if this property shows up during enumeration of the properties on the corresponding
             * object.
             */
            enumerable: boolean;
            /**
             * True if the result was thrown during the evaluation.
             */
            wasThrown?: boolean;
            /**
             * True if the property is owned for the object.
             */
            isOwn?: boolean;
            /**
             * Property symbol object, if the property is of the `symbol` type.
             */
            symbol?: RemoteObject;
        }

        /**
         * Object internal property descriptor. This property isn't normally visible in JavaScript code.
         */
        export interface InternalPropertyDescriptor {
            /**
             * Conventional property name.
             */
            name: string;
            /**
             * The value associated with the property.
             */
            value?: RemoteObject;
        }

        /**
         * Object private field descriptor.
         */
        export interface PrivatePropertyDescriptor {
            /**
             * Private property name.
             */
            name: string;
            /**
             * The value associated with the private property.
             */
            value?: RemoteObject;
            /**
             * A function which serves as a getter for the private property,
             * or `undefined` if there is no getter (accessor descriptors only).
             */
            get?: RemoteObject;
            /**
             * A function which serves as a setter for the private property,
             * or `undefined` if there is no setter (accessor descriptors only).
             */
            set?: RemoteObject;
        }

        /**
         * Represents function call argument. Either remote object id `objectId`, primitive `value`,
         * unserializable primitive value or neither of (for undefined) them should be specified.
         */
        export interface CallArgument {
            /**
             * Primitive value or serializable javascript object.
             */
            value?: any;
            /**
             * Primitive value which can not be JSON-stringified.
             */
            unserializableValue?: UnserializableValue;
            /**
             * Remote object handle.
             */
            objectId?: RemoteObjectId;
        }

        /**
         * Id of an execution context.
         */
        export type ExecutionContextId = integer;

        /**
         * Description of an isolated world.
         */
        export interface ExecutionContextDescription {
            /**
             * Unique id of the execution context. It can be used to specify in which execution context
             * script evaluation should be performed.
             */
            id: ExecutionContextId;
            /**
             * Execution context origin.
             */
            origin: string;
            /**
             * Human readable name describing given context.
             */
            name: string;
            /**
             * Embedder-specific auxiliary data.
             */
            auxData?: any;
        }

        /**
         * Detailed information about exception (or error) that was thrown during script compilation or
         * execution.
         */
        export interface ExceptionDetails {
            /**
             * Exception id.
             */
            exceptionId: integer;
            /**
             * Exception text, which should be used together with exception object when available.
             */
            text: string;
            /**
             * Line number of the exception location (0-based).
             */
            lineNumber: integer;
            /**
             * Column number of the exception location (0-based).
             */
            columnNumber: integer;
            /**
             * Script ID of the exception location.
             */
            scriptId?: ScriptId;
            /**
             * URL of the exception location, to be used when the script was not reported.
             */
            url?: string;
            /**
             * JavaScript stack trace if available.
             */
            stackTrace?: StackTrace;
            /**
             * Exception object if available.
             */
            exception?: RemoteObject;
            /**
             * Identifier of the context where exception happened.
             */
            executionContextId?: ExecutionContextId;
        }

        /**
         * Number of milliseconds since epoch.
         */
        export type Timestamp = number;

        /**
         * Number of milliseconds.
         */
        export type TimeDelta = number;

        /**
         * Stack entry for runtime errors and assertions.
         */
        export interface CallFrame {
            /**
             * JavaScript function name.
             */
            functionName: string;
            /**
             * JavaScript script id.
             */
            scriptId: ScriptId;
            /**
             * JavaScript script name or url.
             */
            url: string;
            /**
             * JavaScript script line number (0-based).
             */
            lineNumber: integer;
            /**
             * JavaScript script column number (0-based).
             */
            columnNumber: integer;
        }

        /**
         * Call frames for assertions or error messages.
         */
        export interface StackTrace {
            /**
             * String label of this stack trace. For async traces this may be a name of the function that
             * initiated the async call.
             */
            description?: string;
            /**
             * JavaScript function name.
             */
            callFrames: CallFrame[];
            /**
             * Asynchronous JavaScript stack trace that preceded this stack, if available.
             */
            parent?: StackTrace;
            /**
             * Asynchronous JavaScript stack trace that preceded this stack, if available.
             */
            parentId?: StackTraceId;
        }

        /**
         * Unique identifier of current debugger.
         */
        export type UniqueDebuggerId = string;

        /**
         * If `debuggerId` is set stack trace comes from another debugger and can be resolved there. This
         * allows to track cross-debugger calls. See `Runtime.StackTrace` and `Debugger.paused` for usages.
         */
        export interface StackTraceId {
            id: string;
            debuggerId?: UniqueDebuggerId;
        }

        export interface AwaitPromiseRequest {
            /**
             * Identifier of the promise.
             */
            promiseObjectId: RemoteObjectId;
            /**
             * Whether the result is expected to be a JSON object that should be sent by value.
             */
            returnByValue?: boolean;
            /**
             * Whether preview should be generated for the result.
             */
            generatePreview?: boolean;
        }

        export interface AwaitPromiseResponse {
            /**
             * Promise result. Will contain rejected value if promise was rejected.
             */
            result: RemoteObject;
            /**
             * Exception details if stack strace is available.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface CallFunctionOnRequest {
            /**
             * Declaration of the function to call.
             */
            functionDeclaration: string;
            /**
             * Identifier of the object to call function on. Either objectId or executionContextId should
             * be specified.
             */
            objectId?: RemoteObjectId;
            /**
             * Call arguments. All call arguments must belong to the same JavaScript world as the target
             * object.
             */
            arguments?: CallArgument[];
            /**
             * In silent mode exceptions thrown during evaluation are not reported and do not pause
             * execution. Overrides `setPauseOnException` state.
             */
            silent?: boolean;
            /**
             * Whether the result is expected to be a JSON object which should be sent by value.
             */
            returnByValue?: boolean;
            /**
             * Whether preview should be generated for the result.
             */
            generatePreview?: boolean;
            /**
             * Whether execution should be treated as initiated by user in the UI.
             */
            userGesture?: boolean;
            /**
             * Whether execution should `await` for resulting value and return once awaited promise is
             * resolved.
             */
            awaitPromise?: boolean;
            /**
             * Specifies execution context which global object will be used to call function on. Either
             * executionContextId or objectId should be specified.
             */
            executionContextId?: ExecutionContextId;
            /**
             * Symbolic group name that can be used to release multiple objects. If objectGroup is not
             * specified and objectId is, objectGroup will be inherited from object.
             */
            objectGroup?: string;
        }

        export interface CallFunctionOnResponse {
            /**
             * Call result.
             */
            result: RemoteObject;
            /**
             * Exception details.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface CompileScriptRequest {
            /**
             * Expression to compile.
             */
            expression: string;
            /**
             * Source url to be set for the script.
             */
            sourceURL: string;
            /**
             * Specifies whether the compiled script should be persisted.
             */
            persistScript: boolean;
            /**
             * Specifies in which execution context to perform script run. If the parameter is omitted the
             * evaluation will be performed in the context of the inspected page.
             */
            executionContextId?: ExecutionContextId;
        }

        export interface CompileScriptResponse {
            /**
             * Id of the script.
             */
            scriptId?: ScriptId;
            /**
             * Exception details.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface EvaluateRequest {
            /**
             * Expression to evaluate.
             */
            expression: string;
            /**
             * Symbolic group name that can be used to release multiple objects.
             */
            objectGroup?: string;
            /**
             * Determines whether Command Line API should be available during the evaluation.
             */
            includeCommandLineAPI?: boolean;
            /**
             * In silent mode exceptions thrown during evaluation are not reported and do not pause
             * execution. Overrides `setPauseOnException` state.
             */
            silent?: boolean;
            /**
             * Specifies in which execution context to perform evaluation. If the parameter is omitted the
             * evaluation will be performed in the context of the inspected page.
             */
            contextId?: ExecutionContextId;
            /**
             * Whether the result is expected to be a JSON object that should be sent by value.
             */
            returnByValue?: boolean;
            /**
             * Whether preview should be generated for the result.
             */
            generatePreview?: boolean;
            /**
             * Whether execution should be treated as initiated by user in the UI.
             */
            userGesture?: boolean;
            /**
             * Whether execution should `await` for resulting value and return once awaited promise is
             * resolved.
             */
            awaitPromise?: boolean;
            /**
             * Whether to throw an exception if side effect cannot be ruled out during evaluation.
             * This implies `disableBreaks` below.
             */
            throwOnSideEffect?: boolean;
            /**
             * Terminate execution after timing out (number of milliseconds).
             */
            timeout?: TimeDelta;
            /**
             * Disable breakpoints during execution.
             */
            disableBreaks?: boolean;
            /**
             * Setting this flag to true enables `let` re-declaration and top-level `await`.
             * Note that `let` variables can only be re-declared if they originate from
             * `replMode` themselves.
             */
            replMode?: boolean;
            /**
             * The Content Security Policy (CSP) for the target might block 'unsafe-eval'
             * which includes eval(), Function(), setTimeout() and setInterval()
             * when called with non-callable arguments. This flag bypasses CSP for this
             * evaluation and allows unsafe-eval. Defaults to true.
             */
            allowUnsafeEvalBlockedByCSP?: boolean;
        }

        export interface EvaluateResponse {
            /**
             * Evaluation result.
             */
            result: RemoteObject;
            /**
             * Exception details.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface GetIsolateIdResponse {
            /**
             * The isolate id.
             */
            id: string;
        }

        export interface GetHeapUsageResponse {
            /**
             * Used heap size in bytes.
             */
            usedSize: number;
            /**
             * Allocated heap size in bytes.
             */
            totalSize: number;
        }

        export interface GetPropertiesRequest {
            /**
             * Identifier of the object to return properties for.
             */
            objectId: RemoteObjectId;
            /**
             * If true, returns properties belonging only to the element itself, not to its prototype
             * chain.
             */
            ownProperties?: boolean;
            /**
             * If true, returns accessor properties (with getter/setter) only; internal properties are not
             * returned either.
             */
            accessorPropertiesOnly?: boolean;
            /**
             * Whether preview should be generated for the results.
             */
            generatePreview?: boolean;
        }

        export interface GetPropertiesResponse {
            /**
             * Object properties.
             */
            result: PropertyDescriptor[];
            /**
             * Internal object properties (only of the element itself).
             */
            internalProperties?: InternalPropertyDescriptor[];
            /**
             * Object private properties.
             */
            privateProperties?: PrivatePropertyDescriptor[];
            /**
             * Exception details.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface GlobalLexicalScopeNamesRequest {
            /**
             * Specifies in which execution context to lookup global scope variables.
             */
            executionContextId?: ExecutionContextId;
        }

        export interface GlobalLexicalScopeNamesResponse {
            names: string[];
        }

        export interface QueryObjectsRequest {
            /**
             * Identifier of the prototype to return objects for.
             */
            prototypeObjectId: RemoteObjectId;
            /**
             * Symbolic group name that can be used to release the results.
             */
            objectGroup?: string;
        }

        export interface QueryObjectsResponse {
            /**
             * Array with objects.
             */
            objects: RemoteObject;
        }

        export interface ReleaseObjectRequest {
            /**
             * Identifier of the object to release.
             */
            objectId: RemoteObjectId;
        }

        export interface ReleaseObjectGroupRequest {
            /**
             * Symbolic object group name.
             */
            objectGroup: string;
        }

        export interface RunScriptRequest {
            /**
             * Id of the script to run.
             */
            scriptId: ScriptId;
            /**
             * Specifies in which execution context to perform script run. If the parameter is omitted the
             * evaluation will be performed in the context of the inspected page.
             */
            executionContextId?: ExecutionContextId;
            /**
             * Symbolic group name that can be used to release multiple objects.
             */
            objectGroup?: string;
            /**
             * In silent mode exceptions thrown during evaluation are not reported and do not pause
             * execution. Overrides `setPauseOnException` state.
             */
            silent?: boolean;
            /**
             * Determines whether Command Line API should be available during the evaluation.
             */
            includeCommandLineAPI?: boolean;
            /**
             * Whether the result is expected to be a JSON object which should be sent by value.
             */
            returnByValue?: boolean;
            /**
             * Whether preview should be generated for the result.
             */
            generatePreview?: boolean;
            /**
             * Whether execution should `await` for resulting value and return once awaited promise is
             * resolved.
             */
            awaitPromise?: boolean;
        }

        export interface RunScriptResponse {
            /**
             * Run result.
             */
            result: RemoteObject;
            /**
             * Exception details.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface SetAsyncCallStackDepthRequest {
            /**
             * Maximum depth of async call stacks. Setting to `0` will effectively disable collecting async
             * call stacks (default).
             */
            maxDepth: integer;
        }

        export interface SetCustomObjectFormatterEnabledRequest {
            enabled: boolean;
        }

        export interface SetMaxCallStackSizeToCaptureRequest {
            size: integer;
        }

        export interface AddBindingRequest {
            name: string;
            executionContextId?: ExecutionContextId;
        }

        export interface RemoveBindingRequest {
            name: string;
        }

        /**
         * Notification is issued every time when binding is called.
         */
        export interface BindingCalledEvent {
            name: string;
            payload: string;
            /**
             * Identifier of the context where the call was made.
             */
            executionContextId: ExecutionContextId;
        }

        export const enum ConsoleAPICalledEventType {
            Log = 'log',
            Debug = 'debug',
            Info = 'info',
            Error = 'error',
            Warning = 'warning',
            Dir = 'dir',
            DirXML = 'dirxml',
            Table = 'table',
            Trace = 'trace',
            Clear = 'clear',
            StartGroup = 'startGroup',
            StartGroupCollapsed = 'startGroupCollapsed',
            EndGroup = 'endGroup',
            Assert = 'assert',
            Profile = 'profile',
            ProfileEnd = 'profileEnd',
            Count = 'count',
            TimeEnd = 'timeEnd',
        }

        /**
         * Issued when console API was called.
         */
        export interface ConsoleAPICalledEvent {
            /**
             * Type of the call. (ConsoleAPICalledEventType enum)
             */
            type: ('log' | 'debug' | 'info' | 'error' | 'warning' | 'dir' | 'dirxml' | 'table' | 'trace' | 'clear' | 'startGroup' | 'startGroupCollapsed' | 'endGroup' | 'assert' | 'profile' | 'profileEnd' | 'count' | 'timeEnd');
            /**
             * Call arguments.
             */
            args: RemoteObject[];
            /**
             * Identifier of the context where the call was made.
             */
            executionContextId: ExecutionContextId;
            /**
             * Call timestamp.
             */
            timestamp: Timestamp;
            /**
             * Stack trace captured when the call was made. The async stack chain is automatically reported for
             * the following call types: `assert`, `error`, `trace`, `warning`. For other types the async call
             * chain can be retrieved using `Debugger.getStackTrace` and `stackTrace.parentId` field.
             */
            stackTrace?: StackTrace;
            /**
             * Console context descriptor for calls on non-default console context (not console.*):
             * 'anonymous#unique-logger-id' for call on unnamed context, 'name#unique-logger-id' for call
             * on named context.
             */
            context?: string;
        }

        /**
         * Issued when unhandled exception was revoked.
         */
        export interface ExceptionRevokedEvent {
            /**
             * Reason describing why exception was revoked.
             */
            reason: string;
            /**
             * The id of revoked exception, as reported in `exceptionThrown`.
             */
            exceptionId: integer;
        }

        /**
         * Issued when exception was thrown and unhandled.
         */
        export interface ExceptionThrownEvent {
            /**
             * Timestamp of the exception.
             */
            timestamp: Timestamp;
            exceptionDetails: ExceptionDetails;
        }

        /**
         * Issued when new execution context is created.
         */
        export interface ExecutionContextCreatedEvent {
            /**
             * A newly created execution context.
             */
            context: ExecutionContextDescription;
        }

        /**
         * Issued when execution context is destroyed.
         */
        export interface ExecutionContextDestroyedEvent {
            /**
             * Id of the destroyed context
             */
            executionContextId: ExecutionContextId;
        }

        /**
         * Issued when object should be inspected (for example, as a result of inspect() command line API
         * call).
         */
        export interface InspectRequestedEvent {
            object: RemoteObject;
            hints: any;
        }
    }

    /**
     * This domain is deprecated.
     */
    export namespace Schema {

        /**
         * Description of the protocol domain.
         */
        export interface Domain {
            /**
             * Domain name.
             */
            name: string;
            /**
             * Domain version.
             */
            version: string;
        }

        export interface GetDomainsResponse {
            /**
             * List of supported domains.
             */
            domains: Domain[];
        }
    }

    export namespace Accessibility {

        /**
         * Unique accessibility node identifier.
         */
        export type AXNodeId = string;

        /**
         * Enum of possible property types.
         */
        export type AXValueType = ('boolean' | 'tristate' | 'booleanOrUndefined' | 'idref' | 'idrefList' | 'integer' | 'node' | 'nodeList' | 'number' | 'string' | 'computedString' | 'token' | 'tokenList' | 'domRelation' | 'role' | 'internalRole' | 'valueUndefined');

        /**
         * Enum of possible property sources.
         */
        export type AXValueSourceType = ('attribute' | 'implicit' | 'style' | 'contents' | 'placeholder' | 'relatedElement');

        /**
         * Enum of possible native property sources (as a subtype of a particular AXValueSourceType).
         */
        export type AXValueNativeSourceType = ('figcaption' | 'label' | 'labelfor' | 'labelwrapped' | 'legend' | 'tablecaption' | 'title' | 'other');

        /**
         * A single source for a computed AX property.
         */
        export interface AXValueSource {
            /**
             * What type of source this is.
             */
            type: AXValueSourceType;
            /**
             * The value of this property source.
             */
            value?: AXValue;
            /**
             * The name of the relevant attribute, if any.
             */
            attribute?: string;
            /**
             * The value of the relevant attribute, if any.
             */
            attributeValue?: AXValue;
            /**
             * Whether this source is superseded by a higher priority source.
             */
            superseded?: boolean;
            /**
             * The native markup source for this value, e.g. a <label> element.
             */
            nativeSource?: AXValueNativeSourceType;
            /**
             * The value, such as a node or node list, of the native source.
             */
            nativeSourceValue?: AXValue;
            /**
             * Whether the value for this property is invalid.
             */
            invalid?: boolean;
            /**
             * Reason for the value being invalid, if it is.
             */
            invalidReason?: string;
        }

        export interface AXRelatedNode {
            /**
             * The BackendNodeId of the related DOM node.
             */
            backendDOMNodeId: DOM.BackendNodeId;
            /**
             * The IDRef value provided, if any.
             */
            idref?: string;
            /**
             * The text alternative of this node in the current context.
             */
            text?: string;
        }

        export interface AXProperty {
            /**
             * The name of this property.
             */
            name: AXPropertyName;
            /**
             * The value of this property.
             */
            value: AXValue;
        }

        /**
         * A single computed AX property.
         */
        export interface AXValue {
            /**
             * The type of this value.
             */
            type: AXValueType;
            /**
             * The computed value of this property.
             */
            value?: any;
            /**
             * One or more related nodes, if applicable.
             */
            relatedNodes?: AXRelatedNode[];
            /**
             * The sources which contributed to the computation of this property.
             */
            sources?: AXValueSource[];
        }

        /**
         * Values of AXProperty name:
         * - from 'busy' to 'roledescription': states which apply to every AX node
         * - from 'live' to 'root': attributes which apply to nodes in live regions
         * - from 'autocomplete' to 'valuetext': attributes which apply to widgets
         * - from 'checked' to 'selected': states which apply to widgets
         * - from 'activedescendant' to 'owns' - relationships between elements other than parent/child/sibling.
         */
        export type AXPropertyName = ('busy' | 'disabled' | 'editable' | 'focusable' | 'focused' | 'hidden' | 'hiddenRoot' | 'invalid' | 'keyshortcuts' | 'settable' | 'roledescription' | 'live' | 'atomic' | 'relevant' | 'root' | 'autocomplete' | 'hasPopup' | 'level' | 'multiselectable' | 'orientation' | 'multiline' | 'readonly' | 'required' | 'valuemin' | 'valuemax' | 'valuetext' | 'checked' | 'expanded' | 'modal' | 'pressed' | 'selected' | 'activedescendant' | 'controls' | 'describedby' | 'details' | 'errormessage' | 'flowto' | 'labelledby' | 'owns');

        /**
         * A node in the accessibility tree.
         */
        export interface AXNode {
            /**
             * Unique identifier for this node.
             */
            nodeId: AXNodeId;
            /**
             * Whether this node is ignored for accessibility
             */
            ignored: boolean;
            /**
             * Collection of reasons why this node is hidden.
             */
            ignoredReasons?: AXProperty[];
            /**
             * This `Node`'s role, whether explicit or implicit.
             */
            role?: AXValue;
            /**
             * The accessible name for this `Node`.
             */
            name?: AXValue;
            /**
             * The accessible description for this `Node`.
             */
            description?: AXValue;
            /**
             * The value for this `Node`.
             */
            value?: AXValue;
            /**
             * All other properties
             */
            properties?: AXProperty[];
            /**
             * IDs for each of this node's child nodes.
             */
            childIds?: AXNodeId[];
            /**
             * The backend ID for the associated DOM node, if any.
             */
            backendDOMNodeId?: DOM.BackendNodeId;
        }

        export interface GetPartialAXTreeRequest {
            /**
             * Identifier of the node to get the partial accessibility tree for.
             */
            nodeId?: DOM.NodeId;
            /**
             * Identifier of the backend node to get the partial accessibility tree for.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * JavaScript object id of the node wrapper to get the partial accessibility tree for.
             */
            objectId?: Runtime.RemoteObjectId;
            /**
             * Whether to fetch this nodes ancestors, siblings and children. Defaults to true.
             */
            fetchRelatives?: boolean;
        }

        export interface GetPartialAXTreeResponse {
            /**
             * The `Accessibility.AXNode` for this DOM node, if it exists, plus its ancestors, siblings and
             * children, if requested.
             */
            nodes: AXNode[];
        }

        export interface GetFullAXTreeResponse {
            nodes: AXNode[];
        }
    }

    export namespace Animation {

        export const enum AnimationType {
            CSSTransition = 'CSSTransition',
            CSSAnimation = 'CSSAnimation',
            WebAnimation = 'WebAnimation',
        }

        /**
         * Animation instance.
         */
        export interface Animation {
            /**
             * `Animation`'s id.
             */
            id: string;
            /**
             * `Animation`'s name.
             */
            name: string;
            /**
             * `Animation`'s internal paused state.
             */
            pausedState: boolean;
            /**
             * `Animation`'s play state.
             */
            playState: string;
            /**
             * `Animation`'s playback rate.
             */
            playbackRate: number;
            /**
             * `Animation`'s start time.
             */
            startTime: number;
            /**
             * `Animation`'s current time.
             */
            currentTime: number;
            /**
             * Animation type of `Animation`. (AnimationType enum)
             */
            type: ('CSSTransition' | 'CSSAnimation' | 'WebAnimation');
            /**
             * `Animation`'s source animation node.
             */
            source?: AnimationEffect;
            /**
             * A unique ID for `Animation` representing the sources that triggered this CSS
             * animation/transition.
             */
            cssId?: string;
        }

        /**
         * AnimationEffect instance
         */
        export interface AnimationEffect {
            /**
             * `AnimationEffect`'s delay.
             */
            delay: number;
            /**
             * `AnimationEffect`'s end delay.
             */
            endDelay: number;
            /**
             * `AnimationEffect`'s iteration start.
             */
            iterationStart: number;
            /**
             * `AnimationEffect`'s iterations.
             */
            iterations: number;
            /**
             * `AnimationEffect`'s iteration duration.
             */
            duration: number;
            /**
             * `AnimationEffect`'s playback direction.
             */
            direction: string;
            /**
             * `AnimationEffect`'s fill mode.
             */
            fill: string;
            /**
             * `AnimationEffect`'s target node.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * `AnimationEffect`'s keyframes.
             */
            keyframesRule?: KeyframesRule;
            /**
             * `AnimationEffect`'s timing function.
             */
            easing: string;
        }

        /**
         * Keyframes Rule
         */
        export interface KeyframesRule {
            /**
             * CSS keyframed animation's name.
             */
            name?: string;
            /**
             * List of animation keyframes.
             */
            keyframes: KeyframeStyle[];
        }

        /**
         * Keyframe Style
         */
        export interface KeyframeStyle {
            /**
             * Keyframe's time offset.
             */
            offset: string;
            /**
             * `AnimationEffect`'s timing function.
             */
            easing: string;
        }

        export interface GetCurrentTimeRequest {
            /**
             * Id of animation.
             */
            id: string;
        }

        export interface GetCurrentTimeResponse {
            /**
             * Current time of the page.
             */
            currentTime: number;
        }

        export interface GetPlaybackRateResponse {
            /**
             * Playback rate for animations on page.
             */
            playbackRate: number;
        }

        export interface ReleaseAnimationsRequest {
            /**
             * List of animation ids to seek.
             */
            animations: string[];
        }

        export interface ResolveAnimationRequest {
            /**
             * Animation id.
             */
            animationId: string;
        }

        export interface ResolveAnimationResponse {
            /**
             * Corresponding remote object.
             */
            remoteObject: Runtime.RemoteObject;
        }

        export interface SeekAnimationsRequest {
            /**
             * List of animation ids to seek.
             */
            animations: string[];
            /**
             * Set the current time of each animation.
             */
            currentTime: number;
        }

        export interface SetPausedRequest {
            /**
             * Animations to set the pause state of.
             */
            animations: string[];
            /**
             * Paused state to set to.
             */
            paused: boolean;
        }

        export interface SetPlaybackRateRequest {
            /**
             * Playback rate for animations on page
             */
            playbackRate: number;
        }

        export interface SetTimingRequest {
            /**
             * Animation id.
             */
            animationId: string;
            /**
             * Duration of the animation.
             */
            duration: number;
            /**
             * Delay of the animation.
             */
            delay: number;
        }

        /**
         * Event for when an animation has been cancelled.
         */
        export interface AnimationCanceledEvent {
            /**
             * Id of the animation that was cancelled.
             */
            id: string;
        }

        /**
         * Event for each animation that has been created.
         */
        export interface AnimationCreatedEvent {
            /**
             * Id of the animation that was created.
             */
            id: string;
        }

        /**
         * Event for animation that has been started.
         */
        export interface AnimationStartedEvent {
            /**
             * Animation that was started.
             */
            animation: Animation;
        }
    }

    export namespace ApplicationCache {

        /**
         * Detailed application cache resource information.
         */
        export interface ApplicationCacheResource {
            /**
             * Resource url.
             */
            url: string;
            /**
             * Resource size.
             */
            size: integer;
            /**
             * Resource type.
             */
            type: string;
        }

        /**
         * Detailed application cache information.
         */
        export interface ApplicationCache {
            /**
             * Manifest URL.
             */
            manifestURL: string;
            /**
             * Application cache size.
             */
            size: number;
            /**
             * Application cache creation time.
             */
            creationTime: number;
            /**
             * Application cache update time.
             */
            updateTime: number;
            /**
             * Application cache resources.
             */
            resources: ApplicationCacheResource[];
        }

        /**
         * Frame identifier - manifest URL pair.
         */
        export interface FrameWithManifest {
            /**
             * Frame identifier.
             */
            frameId: Page.FrameId;
            /**
             * Manifest URL.
             */
            manifestURL: string;
            /**
             * Application cache status.
             */
            status: integer;
        }

        export interface GetApplicationCacheForFrameRequest {
            /**
             * Identifier of the frame containing document whose application cache is retrieved.
             */
            frameId: Page.FrameId;
        }

        export interface GetApplicationCacheForFrameResponse {
            /**
             * Relevant application cache data for the document in given frame.
             */
            applicationCache: ApplicationCache;
        }

        export interface GetFramesWithManifestsResponse {
            /**
             * Array of frame identifiers with manifest urls for each frame containing a document
             * associated with some application cache.
             */
            frameIds: FrameWithManifest[];
        }

        export interface GetManifestForFrameRequest {
            /**
             * Identifier of the frame containing document whose manifest is retrieved.
             */
            frameId: Page.FrameId;
        }

        export interface GetManifestForFrameResponse {
            /**
             * Manifest URL for document in the given frame.
             */
            manifestURL: string;
        }

        export interface ApplicationCacheStatusUpdatedEvent {
            /**
             * Identifier of the frame containing document whose application cache updated status.
             */
            frameId: Page.FrameId;
            /**
             * Manifest URL.
             */
            manifestURL: string;
            /**
             * Updated application cache status.
             */
            status: integer;
        }

        export interface NetworkStateUpdatedEvent {
            isNowOnline: boolean;
        }
    }

    /**
     * Audits domain allows investigation of page violations and possible improvements.
     */
    export namespace Audits {

        /**
         * Information about a cookie that is affected by an inspector issue.
         */
        export interface AffectedCookie {
            /**
             * The following three properties uniquely identify a cookie
             */
            name: string;
            path: string;
            domain: string;
        }

        /**
         * Information about a request that is affected by an inspector issue.
         */
        export interface AffectedRequest {
            /**
             * The unique request id.
             */
            requestId: Network.RequestId;
            url?: string;
        }

        /**
         * Information about the frame affected by an inspector issue.
         */
        export interface AffectedFrame {
            frameId: Page.FrameId;
        }

        export type SameSiteCookieExclusionReason = ('ExcludeSameSiteUnspecifiedTreatedAsLax' | 'ExcludeSameSiteNoneInsecure' | 'ExcludeSameSiteLax' | 'ExcludeSameSiteStrict');

        export type SameSiteCookieWarningReason = ('WarnSameSiteUnspecifiedCrossSiteContext' | 'WarnSameSiteNoneInsecure' | 'WarnSameSiteUnspecifiedLaxAllowUnsafe' | 'WarnSameSiteStrictLaxDowngradeStrict' | 'WarnSameSiteStrictCrossDowngradeStrict' | 'WarnSameSiteStrictCrossDowngradeLax' | 'WarnSameSiteLaxCrossDowngradeStrict' | 'WarnSameSiteLaxCrossDowngradeLax');

        export type SameSiteCookieOperation = ('SetCookie' | 'ReadCookie');

        /**
         * This information is currently necessary, as the front-end has a difficult
         * time finding a specific cookie. With this, we can convey specific error
         * information without the cookie.
         */
        export interface SameSiteCookieIssueDetails {
            cookie: AffectedCookie;
            cookieWarningReasons: SameSiteCookieWarningReason[];
            cookieExclusionReasons: SameSiteCookieExclusionReason[];
            /**
             * Optionally identifies the site-for-cookies and the cookie url, which
             * may be used by the front-end as additional context.
             */
            operation: SameSiteCookieOperation;
            siteForCookies?: string;
            cookieUrl?: string;
            request?: AffectedRequest;
        }

        export type MixedContentResolutionStatus = ('MixedContentBlocked' | 'MixedContentAutomaticallyUpgraded' | 'MixedContentWarning');

        export type MixedContentResourceType = ('Audio' | 'Beacon' | 'CSPReport' | 'Download' | 'EventSource' | 'Favicon' | 'Font' | 'Form' | 'Frame' | 'Image' | 'Import' | 'Manifest' | 'Ping' | 'PluginData' | 'PluginResource' | 'Prefetch' | 'Resource' | 'Script' | 'ServiceWorker' | 'SharedWorker' | 'Stylesheet' | 'Track' | 'Video' | 'Worker' | 'XMLHttpRequest' | 'XSLT');

        export interface MixedContentIssueDetails {
            /**
             * The type of resource causing the mixed content issue (css, js, iframe,
             * form,...). Marked as optional because it is mapped to from
             * blink::mojom::RequestContextType, which will be replaced
             * by network::mojom::RequestDestination
             */
            resourceType?: MixedContentResourceType;
            /**
             * The way the mixed content issue is being resolved.
             */
            resolutionStatus: MixedContentResolutionStatus;
            /**
             * The unsafe http url causing the mixed content issue.
             */
            insecureURL: string;
            /**
             * The url responsible for the call to an unsafe url.
             */
            mainResourceURL: string;
            /**
             * The mixed content request.
             * Does not always exist (e.g. for unsafe form submission urls).
             */
            request?: AffectedRequest;
            /**
             * Optional because not every mixed content issue is necessarily linked to a frame.
             */
            frame?: AffectedFrame;
        }

        /**
         * Enum indicating the reason a response has been blocked. These reasons are
         * refinements of the net error BLOCKED_BY_RESPONSE.
         */
        export type BlockedByResponseReason = ('CoepFrameResourceNeedsCoepHeader' | 'CoopSandboxedIFrameCannotNavigateToCoopPage' | 'CorpNotSameOrigin' | 'CorpNotSameOriginAfterDefaultedToSameOriginByCoep' | 'CorpNotSameSite');

        /**
         * Details for a request that has been blocked with the BLOCKED_BY_RESPONSE
         * code. Currently only used for COEP/COOP, but may be extended to include
         * some CSP errors in the future.
         */
        export interface BlockedByResponseIssueDetails {
            request: AffectedRequest;
            parentFrame?: AffectedFrame;
            blockedFrame?: AffectedFrame;
            reason: BlockedByResponseReason;
        }

        export type HeavyAdResolutionStatus = ('HeavyAdBlocked' | 'HeavyAdWarning');

        export type HeavyAdReason = ('NetworkTotalLimit' | 'CpuTotalLimit' | 'CpuPeakLimit');

        export interface HeavyAdIssueDetails {
            /**
             * The resolution status, either blocking the content or warning.
             */
            resolution: HeavyAdResolutionStatus;
            /**
             * The reason the ad was blocked, total network or cpu or peak cpu.
             */
            reason: HeavyAdReason;
            /**
             * The frame that was blocked.
             */
            frame: AffectedFrame;
        }

        export type ContentSecurityPolicyViolationType = ('kInlineViolation' | 'kEvalViolation' | 'kURLViolation' | 'kTrustedTypesSinkViolation' | 'kTrustedTypesPolicyViolation');

        export interface SourceCodeLocation {
            url: string;
            lineNumber: integer;
            columnNumber: integer;
        }

        export interface ContentSecurityPolicyIssueDetails {
            /**
             * The url not included in allowed sources.
             */
            blockedURL?: string;
            /**
             * Specific directive that is violated, causing the CSP issue.
             */
            violatedDirective: string;
            contentSecurityPolicyViolationType: ContentSecurityPolicyViolationType;
            frameAncestor?: AffectedFrame;
            sourceCodeLocation?: SourceCodeLocation;
            violatingNodeId?: DOM.BackendNodeId;
        }

        /**
         * A unique identifier for the type of issue. Each type may use one of the
         * optional fields in InspectorIssueDetails to convey more specific
         * information about the kind of issue.
         */
        export type InspectorIssueCode = ('SameSiteCookieIssue' | 'MixedContentIssue' | 'BlockedByResponseIssue' | 'HeavyAdIssue' | 'ContentSecurityPolicyIssue');

        /**
         * This struct holds a list of optional fields with additional information
         * specific to the kind of issue. When adding a new issue code, please also
         * add a new optional field to this type.
         */
        export interface InspectorIssueDetails {
            sameSiteCookieIssueDetails?: SameSiteCookieIssueDetails;
            mixedContentIssueDetails?: MixedContentIssueDetails;
            blockedByResponseIssueDetails?: BlockedByResponseIssueDetails;
            heavyAdIssueDetails?: HeavyAdIssueDetails;
            contentSecurityPolicyIssueDetails?: ContentSecurityPolicyIssueDetails;
        }

        /**
         * An inspector issue reported from the back-end.
         */
        export interface InspectorIssue {
            code: InspectorIssueCode;
            details: InspectorIssueDetails;
        }

        export const enum GetEncodedResponseRequestEncoding {
            Webp = 'webp',
            Jpeg = 'jpeg',
            Png = 'png',
        }

        export interface GetEncodedResponseRequest {
            /**
             * Identifier of the network request to get content for.
             */
            requestId: Network.RequestId;
            /**
             * The encoding to use. (GetEncodedResponseRequestEncoding enum)
             */
            encoding: ('webp' | 'jpeg' | 'png');
            /**
             * The quality of the encoding (0-1). (defaults to 1)
             */
            quality?: number;
            /**
             * Whether to only return the size information (defaults to false).
             */
            sizeOnly?: boolean;
        }

        export interface GetEncodedResponseResponse {
            /**
             * The encoded body as a base64 string. Omitted if sizeOnly is true.
             */
            body?: string;
            /**
             * Size before re-encoding.
             */
            originalSize: integer;
            /**
             * Size after re-encoding.
             */
            encodedSize: integer;
        }

        export interface IssueAddedEvent {
            issue: InspectorIssue;
        }
    }

    /**
     * Defines events for background web platform features.
     */
    export namespace BackgroundService {

        /**
         * The Background Service that will be associated with the commands/events.
         * Every Background Service operates independently, but they share the same
         * API.
         */
        export type ServiceName = ('backgroundFetch' | 'backgroundSync' | 'pushMessaging' | 'notifications' | 'paymentHandler' | 'periodicBackgroundSync');

        /**
         * A key-value pair for additional event information to pass along.
         */
        export interface EventMetadata {
            key: string;
            value: string;
        }

        export interface BackgroundServiceEvent {
            /**
             * Timestamp of the event (in seconds).
             */
            timestamp: Network.TimeSinceEpoch;
            /**
             * The origin this event belongs to.
             */
            origin: string;
            /**
             * The Service Worker ID that initiated the event.
             */
            serviceWorkerRegistrationId: ServiceWorker.RegistrationID;
            /**
             * The Background Service this event belongs to.
             */
            service: ServiceName;
            /**
             * A description of the event.
             */
            eventName: string;
            /**
             * An identifier that groups related events together.
             */
            instanceId: string;
            /**
             * A list of event-specific information.
             */
            eventMetadata: EventMetadata[];
        }

        export interface StartObservingRequest {
            service: ServiceName;
        }

        export interface StopObservingRequest {
            service: ServiceName;
        }

        export interface SetRecordingRequest {
            shouldRecord: boolean;
            service: ServiceName;
        }

        export interface ClearEventsRequest {
            service: ServiceName;
        }

        /**
         * Called when the recording state for the service has been updated.
         */
        export interface RecordingStateChangedEvent {
            isRecording: boolean;
            service: ServiceName;
        }

        /**
         * Called with all existing backgroundServiceEvents when enabled, and all new
         * events afterwards if enabled and recording.
         */
        export interface BackgroundServiceEventReceivedEvent {
            backgroundServiceEvent: BackgroundServiceEvent;
        }
    }

    /**
     * The Browser domain defines methods and events for browser managing.
     */
    export namespace Browser {

        export type BrowserContextID = string;

        export type WindowID = integer;

        /**
         * The state of the browser window.
         */
        export type WindowState = ('normal' | 'minimized' | 'maximized' | 'fullscreen');

        /**
         * Browser window bounds information
         */
        export interface Bounds {
            /**
             * The offset from the left edge of the screen to the window in pixels.
             */
            left?: integer;
            /**
             * The offset from the top edge of the screen to the window in pixels.
             */
            top?: integer;
            /**
             * The window width in pixels.
             */
            width?: integer;
            /**
             * The window height in pixels.
             */
            height?: integer;
            /**
             * The window state. Default to normal.
             */
            windowState?: WindowState;
        }

        export type PermissionType = ('accessibilityEvents' | 'audioCapture' | 'backgroundSync' | 'backgroundFetch' | 'clipboardReadWrite' | 'clipboardSanitizedWrite' | 'durableStorage' | 'flash' | 'geolocation' | 'midi' | 'midiSysex' | 'nfc' | 'notifications' | 'paymentHandler' | 'periodicBackgroundSync' | 'protectedMediaIdentifier' | 'sensors' | 'videoCapture' | 'idleDetection' | 'wakeLockScreen' | 'wakeLockSystem');

        export type PermissionSetting = ('granted' | 'denied' | 'prompt');

        /**
         * Definition of PermissionDescriptor defined in the Permissions API:
         * https://w3c.github.io/permissions/#dictdef-permissiondescriptor.
         */
        export interface PermissionDescriptor {
            /**
             * Name of permission.
             * See https://cs.chromium.org/chromium/src/third_party/blink/renderer/modules/permissions/permission_descriptor.idl for valid permission names.
             */
            name: string;
            /**
             * For "midi" permission, may also specify sysex control.
             */
            sysex?: boolean;
            /**
             * For "push" permission, may specify userVisibleOnly.
             * Note that userVisibleOnly = true is the only currently supported type.
             */
            userVisibleOnly?: boolean;
            /**
             * For "clipboard" permission, may specify allowWithoutSanitization.
             */
            allowWithoutSanitization?: boolean;
        }

        /**
         * Chrome histogram bucket.
         */
        export interface Bucket {
            /**
             * Minimum value (inclusive).
             */
            low: integer;
            /**
             * Maximum value (exclusive).
             */
            high: integer;
            /**
             * Number of samples.
             */
            count: integer;
        }

        /**
         * Chrome histogram.
         */
        export interface Histogram {
            /**
             * Name.
             */
            name: string;
            /**
             * Sum of sample values.
             */
            sum: integer;
            /**
             * Total number of samples.
             */
            count: integer;
            /**
             * Buckets.
             */
            buckets: Bucket[];
        }

        export interface SetPermissionRequest {
            /**
             * Descriptor of permission to override.
             */
            permission: PermissionDescriptor;
            /**
             * Setting of the permission.
             */
            setting: PermissionSetting;
            /**
             * Origin the permission applies to, all origins if not specified.
             */
            origin?: string;
            /**
             * Context to override. When omitted, default browser context is used.
             */
            browserContextId?: BrowserContextID;
        }

        export interface GrantPermissionsRequest {
            permissions: PermissionType[];
            /**
             * Origin the permission applies to, all origins if not specified.
             */
            origin?: string;
            /**
             * BrowserContext to override permissions. When omitted, default browser context is used.
             */
            browserContextId?: BrowserContextID;
        }

        export interface ResetPermissionsRequest {
            /**
             * BrowserContext to reset permissions. When omitted, default browser context is used.
             */
            browserContextId?: BrowserContextID;
        }

        export const enum SetDownloadBehaviorRequestBehavior {
            Deny = 'deny',
            Allow = 'allow',
            AllowAndName = 'allowAndName',
            Default = 'default',
        }

        export interface SetDownloadBehaviorRequest {
            /**
             * Whether to allow all or deny all download requests, or use default Chrome behavior if
             * available (otherwise deny). |allowAndName| allows download and names files according to
             * their dowmload guids. (SetDownloadBehaviorRequestBehavior enum)
             */
            behavior: ('deny' | 'allow' | 'allowAndName' | 'default');
            /**
             * BrowserContext to set download behavior. When omitted, default browser context is used.
             */
            browserContextId?: BrowserContextID;
            /**
             * The default path to save downloaded files to. This is requred if behavior is set to 'allow'
             * or 'allowAndName'.
             */
            downloadPath?: string;
        }

        export interface GetVersionResponse {
            /**
             * Protocol version.
             */
            protocolVersion: string;
            /**
             * Product name.
             */
            product: string;
            /**
             * Product revision.
             */
            revision: string;
            /**
             * User-Agent.
             */
            userAgent: string;
            /**
             * V8 version.
             */
            jsVersion: string;
        }

        export interface GetBrowserCommandLineResponse {
            /**
             * Commandline parameters
             */
            arguments: string[];
        }

        export interface GetHistogramsRequest {
            /**
             * Requested substring in name. Only histograms which have query as a
             * substring in their name are extracted. An empty or absent query returns
             * all histograms.
             */
            query?: string;
            /**
             * If true, retrieve delta since last call.
             */
            delta?: boolean;
        }

        export interface GetHistogramsResponse {
            /**
             * Histograms.
             */
            histograms: Histogram[];
        }

        export interface GetHistogramRequest {
            /**
             * Requested histogram name.
             */
            name: string;
            /**
             * If true, retrieve delta since last call.
             */
            delta?: boolean;
        }

        export interface GetHistogramResponse {
            /**
             * Histogram.
             */
            histogram: Histogram;
        }

        export interface GetWindowBoundsRequest {
            /**
             * Browser window id.
             */
            windowId: WindowID;
        }

        export interface GetWindowBoundsResponse {
            /**
             * Bounds information of the window. When window state is 'minimized', the restored window
             * position and size are returned.
             */
            bounds: Bounds;
        }

        export interface GetWindowForTargetRequest {
            /**
             * Devtools agent host id. If called as a part of the session, associated targetId is used.
             */
            targetId?: Target.TargetID;
        }

        export interface GetWindowForTargetResponse {
            /**
             * Browser window id.
             */
            windowId: WindowID;
            /**
             * Bounds information of the window. When window state is 'minimized', the restored window
             * position and size are returned.
             */
            bounds: Bounds;
        }

        export interface SetWindowBoundsRequest {
            /**
             * Browser window id.
             */
            windowId: WindowID;
            /**
             * New window bounds. The 'minimized', 'maximized' and 'fullscreen' states cannot be combined
             * with 'left', 'top', 'width' or 'height'. Leaves unspecified fields unchanged.
             */
            bounds: Bounds;
        }

        export interface SetDockTileRequest {
            badgeLabel?: string;
            /**
             * Png encoded image.
             */
            image?: string;
        }
    }

    /**
     * This domain exposes CSS read/write operations. All CSS objects (stylesheets, rules, and styles)
     * have an associated `id` used in subsequent operations on the related object. Each object type has
     * a specific `id` structure, and those are not interchangeable between objects of different kinds.
     * CSS objects can be loaded using the `get*ForNode()` calls (which accept a DOM node id). A client
     * can also keep track of stylesheets via the `styleSheetAdded`/`styleSheetRemoved` events and
     * subsequently load the required stylesheet contents using the `getStyleSheet[Text]()` methods.
     */
    export namespace CSS {

        export type StyleSheetId = string;

        /**
         * Stylesheet type: "injected" for stylesheets injected via extension, "user-agent" for user-agent
         * stylesheets, "inspector" for stylesheets created by the inspector (i.e. those holding the "via
         * inspector" rules), "regular" for regular stylesheets.
         */
        export type StyleSheetOrigin = ('injected' | 'user-agent' | 'inspector' | 'regular');

        /**
         * CSS rule collection for a single pseudo style.
         */
        export interface PseudoElementMatches {
            /**
             * Pseudo element type.
             */
            pseudoType: DOM.PseudoType;
            /**
             * Matches of CSS rules applicable to the pseudo style.
             */
            matches: RuleMatch[];
        }

        /**
         * Inherited CSS rule collection from ancestor node.
         */
        export interface InheritedStyleEntry {
            /**
             * The ancestor node's inline style, if any, in the style inheritance chain.
             */
            inlineStyle?: CSSStyle;
            /**
             * Matches of CSS rules matching the ancestor node in the style inheritance chain.
             */
            matchedCSSRules: RuleMatch[];
        }

        /**
         * Match data for a CSS rule.
         */
        export interface RuleMatch {
            /**
             * CSS rule in the match.
             */
            rule: CSSRule;
            /**
             * Matching selector indices in the rule's selectorList selectors (0-based).
             */
            matchingSelectors: integer[];
        }

        /**
         * Data for a simple selector (these are delimited by commas in a selector list).
         */
        export interface Value {
            /**
             * Value text.
             */
            text: string;
            /**
             * Value range in the underlying resource (if available).
             */
            range?: SourceRange;
        }

        /**
         * Selector list data.
         */
        export interface SelectorList {
            /**
             * Selectors in the list.
             */
            selectors: Value[];
            /**
             * Rule selector text.
             */
            text: string;
        }

        /**
         * CSS stylesheet metainformation.
         */
        export interface CSSStyleSheetHeader {
            /**
             * The stylesheet identifier.
             */
            styleSheetId: StyleSheetId;
            /**
             * Owner frame identifier.
             */
            frameId: Page.FrameId;
            /**
             * Stylesheet resource URL.
             */
            sourceURL: string;
            /**
             * URL of source map associated with the stylesheet (if any).
             */
            sourceMapURL?: string;
            /**
             * Stylesheet origin.
             */
            origin: StyleSheetOrigin;
            /**
             * Stylesheet title.
             */
            title: string;
            /**
             * The backend id for the owner node of the stylesheet.
             */
            ownerNode?: DOM.BackendNodeId;
            /**
             * Denotes whether the stylesheet is disabled.
             */
            disabled: boolean;
            /**
             * Whether the sourceURL field value comes from the sourceURL comment.
             */
            hasSourceURL?: boolean;
            /**
             * Whether this stylesheet is created for STYLE tag by parser. This flag is not set for
             * document.written STYLE tags.
             */
            isInline: boolean;
            /**
             * Whether this stylesheet is mutable. Inline stylesheets become mutable
             * after they have been modified via CSSOM API.
             * <link> element's stylesheets are never mutable. Constructed stylesheets
             * (new CSSStyleSheet()) are mutable immediately after creation.
             */
            isMutable: boolean;
            /**
             * Line offset of the stylesheet within the resource (zero based).
             */
            startLine: number;
            /**
             * Column offset of the stylesheet within the resource (zero based).
             */
            startColumn: number;
            /**
             * Size of the content (in characters).
             */
            length: number;
            /**
             * Line offset of the end of the stylesheet within the resource (zero based).
             */
            endLine: number;
            /**
             * Column offset of the end of the stylesheet within the resource (zero based).
             */
            endColumn: number;
        }

        /**
         * CSS rule representation.
         */
        export interface CSSRule {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * Rule selector data.
             */
            selectorList: SelectorList;
            /**
             * Parent stylesheet's origin.
             */
            origin: StyleSheetOrigin;
            /**
             * Associated style declaration.
             */
            style: CSSStyle;
            /**
             * Media list array (for rules involving media queries). The array enumerates media queries
             * starting with the innermost one, going outwards.
             */
            media?: CSSMedia[];
        }

        /**
         * CSS coverage information.
         */
        export interface RuleUsage {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId: StyleSheetId;
            /**
             * Offset of the start of the rule (including selector) from the beginning of the stylesheet.
             */
            startOffset: number;
            /**
             * Offset of the end of the rule body from the beginning of the stylesheet.
             */
            endOffset: number;
            /**
             * Indicates whether the rule was actually used by some element in the page.
             */
            used: boolean;
        }

        /**
         * Text range within a resource. All numbers are zero-based.
         */
        export interface SourceRange {
            /**
             * Start line of range.
             */
            startLine: integer;
            /**
             * Start column of range (inclusive).
             */
            startColumn: integer;
            /**
             * End line of range
             */
            endLine: integer;
            /**
             * End column of range (exclusive).
             */
            endColumn: integer;
        }

        export interface ShorthandEntry {
            /**
             * Shorthand name.
             */
            name: string;
            /**
             * Shorthand value.
             */
            value: string;
            /**
             * Whether the property has "!important" annotation (implies `false` if absent).
             */
            important?: boolean;
        }

        export interface CSSComputedStyleProperty {
            /**
             * Computed style property name.
             */
            name: string;
            /**
             * Computed style property value.
             */
            value: string;
        }

        /**
         * CSS style representation.
         */
        export interface CSSStyle {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * CSS properties in the style.
             */
            cssProperties: CSSProperty[];
            /**
             * Computed values for all shorthands found in the style.
             */
            shorthandEntries: ShorthandEntry[];
            /**
             * Style declaration text (if available).
             */
            cssText?: string;
            /**
             * Style declaration range in the enclosing stylesheet (if available).
             */
            range?: SourceRange;
        }

        /**
         * CSS property declaration data.
         */
        export interface CSSProperty {
            /**
             * The property name.
             */
            name: string;
            /**
             * The property value.
             */
            value: string;
            /**
             * Whether the property has "!important" annotation (implies `false` if absent).
             */
            important?: boolean;
            /**
             * Whether the property is implicit (implies `false` if absent).
             */
            implicit?: boolean;
            /**
             * The full property text as specified in the style.
             */
            text?: string;
            /**
             * Whether the property is understood by the browser (implies `true` if absent).
             */
            parsedOk?: boolean;
            /**
             * Whether the property is disabled by the user (present for source-based properties only).
             */
            disabled?: boolean;
            /**
             * The entire property range in the enclosing style declaration (if available).
             */
            range?: SourceRange;
        }

        export const enum CSSMediaSource {
            MediaRule = 'mediaRule',
            ImportRule = 'importRule',
            LinkedSheet = 'linkedSheet',
            InlineSheet = 'inlineSheet',
        }

        /**
         * CSS media rule descriptor.
         */
        export interface CSSMedia {
            /**
             * Media query text.
             */
            text: string;
            /**
             * Source of the media query: "mediaRule" if specified by a @media rule, "importRule" if
             * specified by an @import rule, "linkedSheet" if specified by a "media" attribute in a linked
             * stylesheet's LINK tag, "inlineSheet" if specified by a "media" attribute in an inline
             * stylesheet's STYLE tag. (CSSMediaSource enum)
             */
            source: ('mediaRule' | 'importRule' | 'linkedSheet' | 'inlineSheet');
            /**
             * URL of the document containing the media query description.
             */
            sourceURL?: string;
            /**
             * The associated rule (@media or @import) header range in the enclosing stylesheet (if
             * available).
             */
            range?: SourceRange;
            /**
             * Identifier of the stylesheet containing this object (if exists).
             */
            styleSheetId?: StyleSheetId;
            /**
             * Array of media queries.
             */
            mediaList?: MediaQuery[];
        }

        /**
         * Media query descriptor.
         */
        export interface MediaQuery {
            /**
             * Array of media query expressions.
             */
            expressions: MediaQueryExpression[];
            /**
             * Whether the media query condition is satisfied.
             */
            active: boolean;
        }

        /**
         * Media query expression descriptor.
         */
        export interface MediaQueryExpression {
            /**
             * Media query expression value.
             */
            value: number;
            /**
             * Media query expression units.
             */
            unit: string;
            /**
             * Media query expression feature.
             */
            feature: string;
            /**
             * The associated range of the value text in the enclosing stylesheet (if available).
             */
            valueRange?: SourceRange;
            /**
             * Computed length of media query expression (if applicable).
             */
            computedLength?: number;
        }

        /**
         * Information about amount of glyphs that were rendered with given font.
         */
        export interface PlatformFontUsage {
            /**
             * Font's family name reported by platform.
             */
            familyName: string;
            /**
             * Indicates if the font was downloaded or resolved locally.
             */
            isCustomFont: boolean;
            /**
             * Amount of glyphs that were rendered with this font.
             */
            glyphCount: number;
        }

        /**
         * Information about font variation axes for variable fonts
         */
        export interface FontVariationAxis {
            /**
             * The font-variation-setting tag (a.k.a. "axis tag").
             */
            tag: string;
            /**
             * Human-readable variation name in the default language (normally, "en").
             */
            name: string;
            /**
             * The minimum value (inclusive) the font supports for this tag.
             */
            minValue: number;
            /**
             * The maximum value (inclusive) the font supports for this tag.
             */
            maxValue: number;
            /**
             * The default value.
             */
            defaultValue: number;
        }

        /**
         * Properties of a web font: https://www.w3.org/TR/2008/REC-CSS2-20080411/fonts.html#font-descriptions
         * and additional information such as platformFontFamily and fontVariationAxes.
         */
        export interface FontFace {
            /**
             * The font-family.
             */
            fontFamily: string;
            /**
             * The font-style.
             */
            fontStyle: string;
            /**
             * The font-variant.
             */
            fontVariant: string;
            /**
             * The font-weight.
             */
            fontWeight: string;
            /**
             * The font-stretch.
             */
            fontStretch: string;
            /**
             * The unicode-range.
             */
            unicodeRange: string;
            /**
             * The src.
             */
            src: string;
            /**
             * The resolved platform font family
             */
            platformFontFamily: string;
            /**
             * Available variation settings (a.k.a. "axes").
             */
            fontVariationAxes?: FontVariationAxis[];
        }

        /**
         * CSS keyframes rule representation.
         */
        export interface CSSKeyframesRule {
            /**
             * Animation name.
             */
            animationName: Value;
            /**
             * List of keyframes.
             */
            keyframes: CSSKeyframeRule[];
        }

        /**
         * CSS keyframe rule representation.
         */
        export interface CSSKeyframeRule {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * Parent stylesheet's origin.
             */
            origin: StyleSheetOrigin;
            /**
             * Associated key text.
             */
            keyText: Value;
            /**
             * Associated style declaration.
             */
            style: CSSStyle;
        }

        /**
         * A descriptor of operation to mutate style declaration text.
         */
        export interface StyleDeclarationEdit {
            /**
             * The css style sheet identifier.
             */
            styleSheetId: StyleSheetId;
            /**
             * The range of the style text in the enclosing stylesheet.
             */
            range: SourceRange;
            /**
             * New style text.
             */
            text: string;
        }

        export interface AddRuleRequest {
            /**
             * The css style sheet identifier where a new rule should be inserted.
             */
            styleSheetId: StyleSheetId;
            /**
             * The text of a new rule.
             */
            ruleText: string;
            /**
             * Text position of a new rule in the target style sheet.
             */
            location: SourceRange;
        }

        export interface AddRuleResponse {
            /**
             * The newly created rule.
             */
            rule: CSSRule;
        }

        export interface CollectClassNamesRequest {
            styleSheetId: StyleSheetId;
        }

        export interface CollectClassNamesResponse {
            /**
             * Class name list.
             */
            classNames: string[];
        }

        export interface CreateStyleSheetRequest {
            /**
             * Identifier of the frame where "via-inspector" stylesheet should be created.
             */
            frameId: Page.FrameId;
        }

        export interface CreateStyleSheetResponse {
            /**
             * Identifier of the created "via-inspector" stylesheet.
             */
            styleSheetId: StyleSheetId;
        }

        export interface ForcePseudoStateRequest {
            /**
             * The element id for which to force the pseudo state.
             */
            nodeId: DOM.NodeId;
            /**
             * Element pseudo classes to force when computing the element's style.
             */
            forcedPseudoClasses: string[];
        }

        export interface GetBackgroundColorsRequest {
            /**
             * Id of the node to get background colors for.
             */
            nodeId: DOM.NodeId;
        }

        export interface GetBackgroundColorsResponse {
            /**
             * The range of background colors behind this element, if it contains any visible text. If no
             * visible text is present, this will be undefined. In the case of a flat background color,
             * this will consist of simply that color. In the case of a gradient, this will consist of each
             * of the color stops. For anything more complicated, this will be an empty array. Images will
             * be ignored (as if the image had failed to load).
             */
            backgroundColors?: string[];
            /**
             * The computed font size for this node, as a CSS computed value string (e.g. '12px').
             */
            computedFontSize?: string;
            /**
             * The computed font weight for this node, as a CSS computed value string (e.g. 'normal' or
             * '100').
             */
            computedFontWeight?: string;
        }

        export interface GetComputedStyleForNodeRequest {
            nodeId: DOM.NodeId;
        }

        export interface GetComputedStyleForNodeResponse {
            /**
             * Computed style for the specified DOM node.
             */
            computedStyle: CSSComputedStyleProperty[];
        }

        export interface GetInlineStylesForNodeRequest {
            nodeId: DOM.NodeId;
        }

        export interface GetInlineStylesForNodeResponse {
            /**
             * Inline style for the specified DOM node.
             */
            inlineStyle?: CSSStyle;
            /**
             * Attribute-defined element style (e.g. resulting from "width=20 height=100%").
             */
            attributesStyle?: CSSStyle;
        }

        export interface GetMatchedStylesForNodeRequest {
            nodeId: DOM.NodeId;
        }

        export interface GetMatchedStylesForNodeResponse {
            /**
             * Inline style for the specified DOM node.
             */
            inlineStyle?: CSSStyle;
            /**
             * Attribute-defined element style (e.g. resulting from "width=20 height=100%").
             */
            attributesStyle?: CSSStyle;
            /**
             * CSS rules matching this node, from all applicable stylesheets.
             */
            matchedCSSRules?: RuleMatch[];
            /**
             * Pseudo style matches for this node.
             */
            pseudoElements?: PseudoElementMatches[];
            /**
             * A chain of inherited styles (from the immediate node parent up to the DOM tree root).
             */
            inherited?: InheritedStyleEntry[];
            /**
             * A list of CSS keyframed animations matching this node.
             */
            cssKeyframesRules?: CSSKeyframesRule[];
        }

        export interface GetMediaQueriesResponse {
            medias: CSSMedia[];
        }

        export interface GetPlatformFontsForNodeRequest {
            nodeId: DOM.NodeId;
        }

        export interface GetPlatformFontsForNodeResponse {
            /**
             * Usage statistics for every employed platform font.
             */
            fonts: PlatformFontUsage[];
        }

        export interface GetStyleSheetTextRequest {
            styleSheetId: StyleSheetId;
        }

        export interface GetStyleSheetTextResponse {
            /**
             * The stylesheet text.
             */
            text: string;
        }

        export interface TrackComputedStyleUpdatesRequest {
            propertiesToTrack: CSSComputedStyleProperty[];
        }

        export interface TakeComputedStyleUpdatesResponse {
            /**
             * The list of node Ids that have their tracked computed styles updated
             */
            nodeIds: DOM.NodeId[];
        }

        export interface SetEffectivePropertyValueForNodeRequest {
            /**
             * The element id for which to set property.
             */
            nodeId: DOM.NodeId;
            propertyName: string;
            value: string;
        }

        export interface SetKeyframeKeyRequest {
            styleSheetId: StyleSheetId;
            range: SourceRange;
            keyText: string;
        }

        export interface SetKeyframeKeyResponse {
            /**
             * The resulting key text after modification.
             */
            keyText: Value;
        }

        export interface SetMediaTextRequest {
            styleSheetId: StyleSheetId;
            range: SourceRange;
            text: string;
        }

        export interface SetMediaTextResponse {
            /**
             * The resulting CSS media rule after modification.
             */
            media: CSSMedia;
        }

        export interface SetRuleSelectorRequest {
            styleSheetId: StyleSheetId;
            range: SourceRange;
            selector: string;
        }

        export interface SetRuleSelectorResponse {
            /**
             * The resulting selector list after modification.
             */
            selectorList: SelectorList;
        }

        export interface SetStyleSheetTextRequest {
            styleSheetId: StyleSheetId;
            text: string;
        }

        export interface SetStyleSheetTextResponse {
            /**
             * URL of source map associated with script (if any).
             */
            sourceMapURL?: string;
        }

        export interface SetStyleTextsRequest {
            edits: StyleDeclarationEdit[];
        }

        export interface SetStyleTextsResponse {
            /**
             * The resulting styles after modification.
             */
            styles: CSSStyle[];
        }

        export interface StopRuleUsageTrackingResponse {
            ruleUsage: RuleUsage[];
        }

        export interface TakeCoverageDeltaResponse {
            coverage: RuleUsage[];
            /**
             * Monotonically increasing time, in seconds.
             */
            timestamp: number;
        }

        export interface SetLocalFontsEnabledRequest {
            /**
             * Whether rendering of local fonts is enabled.
             */
            enabled: boolean;
        }

        /**
         * Fires whenever a web font is updated.  A non-empty font parameter indicates a successfully loaded
         * web font
         */
        export interface FontsUpdatedEvent {
            /**
             * The web font that has loaded.
             */
            font?: FontFace;
        }

        /**
         * Fired whenever an active document stylesheet is added.
         */
        export interface StyleSheetAddedEvent {
            /**
             * Added stylesheet metainfo.
             */
            header: CSSStyleSheetHeader;
        }

        /**
         * Fired whenever a stylesheet is changed as a result of the client operation.
         */
        export interface StyleSheetChangedEvent {
            styleSheetId: StyleSheetId;
        }

        /**
         * Fired whenever an active document stylesheet is removed.
         */
        export interface StyleSheetRemovedEvent {
            /**
             * Identifier of the removed stylesheet.
             */
            styleSheetId: StyleSheetId;
        }
    }

    export namespace CacheStorage {

        /**
         * Unique identifier of the Cache object.
         */
        export type CacheId = string;

        /**
         * type of HTTP response cached
         */
        export type CachedResponseType = ('basic' | 'cors' | 'default' | 'error' | 'opaqueResponse' | 'opaqueRedirect');

        /**
         * Data entry.
         */
        export interface DataEntry {
            /**
             * Request URL.
             */
            requestURL: string;
            /**
             * Request method.
             */
            requestMethod: string;
            /**
             * Request headers
             */
            requestHeaders: Header[];
            /**
             * Number of seconds since epoch.
             */
            responseTime: number;
            /**
             * HTTP response status code.
             */
            responseStatus: integer;
            /**
             * HTTP response status text.
             */
            responseStatusText: string;
            /**
             * HTTP response type
             */
            responseType: CachedResponseType;
            /**
             * Response headers
             */
            responseHeaders: Header[];
        }

        /**
         * Cache identifier.
         */
        export interface Cache {
            /**
             * An opaque unique id of the cache.
             */
            cacheId: CacheId;
            /**
             * Security origin of the cache.
             */
            securityOrigin: string;
            /**
             * The name of the cache.
             */
            cacheName: string;
        }

        export interface Header {
            name: string;
            value: string;
        }

        /**
         * Cached response
         */
        export interface CachedResponse {
            /**
             * Entry content, base64-encoded.
             */
            body: string;
        }

        export interface DeleteCacheRequest {
            /**
             * Id of cache for deletion.
             */
            cacheId: CacheId;
        }

        export interface DeleteEntryRequest {
            /**
             * Id of cache where the entry will be deleted.
             */
            cacheId: CacheId;
            /**
             * URL spec of the request.
             */
            request: string;
        }

        export interface RequestCacheNamesRequest {
            /**
             * Security origin.
             */
            securityOrigin: string;
        }

        export interface RequestCacheNamesResponse {
            /**
             * Caches for the security origin.
             */
            caches: Cache[];
        }

        export interface RequestCachedResponseRequest {
            /**
             * Id of cache that contains the entry.
             */
            cacheId: CacheId;
            /**
             * URL spec of the request.
             */
            requestURL: string;
            /**
             * headers of the request.
             */
            requestHeaders: Header[];
        }

        export interface RequestCachedResponseResponse {
            /**
             * Response read from the cache.
             */
            response: CachedResponse;
        }

        export interface RequestEntriesRequest {
            /**
             * ID of cache to get entries from.
             */
            cacheId: CacheId;
            /**
             * Number of records to skip.
             */
            skipCount?: integer;
            /**
             * Number of records to fetch.
             */
            pageSize?: integer;
            /**
             * If present, only return the entries containing this substring in the path
             */
            pathFilter?: string;
        }

        export interface RequestEntriesResponse {
            /**
             * Array of object store data entries.
             */
            cacheDataEntries: DataEntry[];
            /**
             * Count of returned entries from this storage. If pathFilter is empty, it
             * is the count of all entries from this storage.
             */
            returnCount: number;
        }
    }

    /**
     * A domain for interacting with Cast, Presentation API, and Remote Playback API
     * functionalities.
     */
    export namespace Cast {

        export interface Sink {
            name: string;
            id: string;
            /**
             * Text describing the current session. Present only if there is an active
             * session on the sink.
             */
            session?: string;
        }

        export interface EnableRequest {
            presentationUrl?: string;
        }

        export interface SetSinkToUseRequest {
            sinkName: string;
        }

        export interface StartTabMirroringRequest {
            sinkName: string;
        }

        export interface StopCastingRequest {
            sinkName: string;
        }

        /**
         * This is fired whenever the list of available sinks changes. A sink is a
         * device or a software surface that you can cast to.
         */
        export interface SinksUpdatedEvent {
            sinks: Sink[];
        }

        /**
         * This is fired whenever the outstanding issue/error message changes.
         * |issueMessage| is empty if there is no issue.
         */
        export interface IssueUpdatedEvent {
            issueMessage: string;
        }
    }

    /**
     * This domain exposes DOM read/write operations. Each DOM Node is represented with its mirror object
     * that has an `id`. This `id` can be used to get additional information on the Node, resolve it into
     * the JavaScript object wrapper, etc. It is important that client receives DOM events only for the
     * nodes that are known to the client. Backend keeps track of the nodes that were sent to the client
     * and never sends the same node twice. It is client's responsibility to collect information about
     * the nodes that were sent to the client.<p>Note that `iframe` owner elements will return
     * corresponding document elements as their child nodes.</p>
     */
    export namespace DOM {

        /**
         * Unique DOM node identifier.
         */
        export type NodeId = integer;

        /**
         * Unique DOM node identifier used to reference a node that may not have been pushed to the
         * front-end.
         */
        export type BackendNodeId = integer;

        /**
         * Backend node with a friendly name.
         */
        export interface BackendNode {
            /**
             * `Node`'s nodeType.
             */
            nodeType: integer;
            /**
             * `Node`'s nodeName.
             */
            nodeName: string;
            backendNodeId: BackendNodeId;
        }

        /**
         * Pseudo element type.
         */
        export type PseudoType = ('first-line' | 'first-letter' | 'before' | 'after' | 'marker' | 'backdrop' | 'selection' | 'first-line-inherited' | 'scrollbar' | 'scrollbar-thumb' | 'scrollbar-button' | 'scrollbar-track' | 'scrollbar-track-piece' | 'scrollbar-corner' | 'resizer' | 'input-list-button');

        /**
         * Shadow root type.
         */
        export type ShadowRootType = ('user-agent' | 'open' | 'closed');

        /**
         * DOM interaction is implemented in terms of mirror objects that represent the actual DOM nodes.
         * DOMNode is a base node mirror type.
         */
        export interface Node {
            /**
             * Node identifier that is passed into the rest of the DOM messages as the `nodeId`. Backend
             * will only push node with given `id` once. It is aware of all requested nodes and will only
             * fire DOM events for nodes known to the client.
             */
            nodeId: NodeId;
            /**
             * The id of the parent node if any.
             */
            parentId?: NodeId;
            /**
             * The BackendNodeId for this node.
             */
            backendNodeId: BackendNodeId;
            /**
             * `Node`'s nodeType.
             */
            nodeType: integer;
            /**
             * `Node`'s nodeName.
             */
            nodeName: string;
            /**
             * `Node`'s localName.
             */
            localName: string;
            /**
             * `Node`'s nodeValue.
             */
            nodeValue: string;
            /**
             * Child count for `Container` nodes.
             */
            childNodeCount?: integer;
            /**
             * Child nodes of this node when requested with children.
             */
            children?: Node[];
            /**
             * Attributes of the `Element` node in the form of flat array `[name1, value1, name2, value2]`.
             */
            attributes?: string[];
            /**
             * Document URL that `Document` or `FrameOwner` node points to.
             */
            documentURL?: string;
            /**
             * Base URL that `Document` or `FrameOwner` node uses for URL completion.
             */
            baseURL?: string;
            /**
             * `DocumentType`'s publicId.
             */
            publicId?: string;
            /**
             * `DocumentType`'s systemId.
             */
            systemId?: string;
            /**
             * `DocumentType`'s internalSubset.
             */
            internalSubset?: string;
            /**
             * `Document`'s XML version in case of XML documents.
             */
            xmlVersion?: string;
            /**
             * `Attr`'s name.
             */
            name?: string;
            /**
             * `Attr`'s value.
             */
            value?: string;
            /**
             * Pseudo element type for this node.
             */
            pseudoType?: PseudoType;
            /**
             * Shadow root type.
             */
            shadowRootType?: ShadowRootType;
            /**
             * Frame ID for frame owner elements.
             */
            frameId?: Page.FrameId;
            /**
             * Content document for frame owner elements.
             */
            contentDocument?: Node;
            /**
             * Shadow root list for given element host.
             */
            shadowRoots?: Node[];
            /**
             * Content document fragment for template elements.
             */
            templateContent?: Node;
            /**
             * Pseudo elements associated with this node.
             */
            pseudoElements?: Node[];
            /**
             * Import document for the HTMLImport links.
             */
            importedDocument?: Node;
            /**
             * Distributed nodes for given insertion point.
             */
            distributedNodes?: BackendNode[];
            /**
             * Whether the node is SVG.
             */
            isSVG?: boolean;
        }

        /**
         * A structure holding an RGBA color.
         */
        export interface RGBA {
            /**
             * The red component, in the [0-255] range.
             */
            r: integer;
            /**
             * The green component, in the [0-255] range.
             */
            g: integer;
            /**
             * The blue component, in the [0-255] range.
             */
            b: integer;
            /**
             * The alpha component, in the [0-1] range (default: 1).
             */
            a?: number;
        }

        /**
         * An array of quad vertices, x immediately followed by y for each point, points clock-wise.
         */
        export type Quad = number[];

        /**
         * Box model.
         */
        export interface BoxModel {
            /**
             * Content box
             */
            content: Quad;
            /**
             * Padding box
             */
            padding: Quad;
            /**
             * Border box
             */
            border: Quad;
            /**
             * Margin box
             */
            margin: Quad;
            /**
             * Node width
             */
            width: integer;
            /**
             * Node height
             */
            height: integer;
            /**
             * Shape outside coordinates
             */
            shapeOutside?: ShapeOutsideInfo;
        }

        /**
         * CSS Shape Outside details.
         */
        export interface ShapeOutsideInfo {
            /**
             * Shape bounds
             */
            bounds: Quad;
            /**
             * Shape coordinate details
             */
            shape: any[];
            /**
             * Margin shape bounds
             */
            marginShape: any[];
        }

        /**
         * Rectangle.
         */
        export interface Rect {
            /**
             * X coordinate
             */
            x: number;
            /**
             * Y coordinate
             */
            y: number;
            /**
             * Rectangle width
             */
            width: number;
            /**
             * Rectangle height
             */
            height: number;
        }

        export interface CSSComputedStyleProperty {
            /**
             * Computed style property name.
             */
            name: string;
            /**
             * Computed style property value.
             */
            value: string;
        }

        export interface CollectClassNamesFromSubtreeRequest {
            /**
             * Id of the node to collect class names.
             */
            nodeId: NodeId;
        }

        export interface CollectClassNamesFromSubtreeResponse {
            /**
             * Class name list.
             */
            classNames: string[];
        }

        export interface CopyToRequest {
            /**
             * Id of the node to copy.
             */
            nodeId: NodeId;
            /**
             * Id of the element to drop the copy into.
             */
            targetNodeId: NodeId;
            /**
             * Drop the copy before this node (if absent, the copy becomes the last child of
             * `targetNodeId`).
             */
            insertBeforeNodeId?: NodeId;
        }

        export interface CopyToResponse {
            /**
             * Id of the node clone.
             */
            nodeId: NodeId;
        }

        export interface DescribeNodeRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
            /**
             * The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the
             * entire subtree or provide an integer larger than 0.
             */
            depth?: integer;
            /**
             * Whether or not iframes and shadow roots should be traversed when returning the subtree
             * (default is false).
             */
            pierce?: boolean;
        }

        export interface DescribeNodeResponse {
            /**
             * Node description.
             */
            node: Node;
        }

        export interface ScrollIntoViewIfNeededRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
            /**
             * The rect to be scrolled into view, relative to the node's border box, in CSS pixels.
             * When omitted, center of the node will be used, similar to Element.scrollIntoView.
             */
            rect?: Rect;
        }

        export interface DiscardSearchResultsRequest {
            /**
             * Unique search session identifier.
             */
            searchId: string;
        }

        export interface FocusRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface GetAttributesRequest {
            /**
             * Id of the node to retrieve attibutes for.
             */
            nodeId: NodeId;
        }

        export interface GetAttributesResponse {
            /**
             * An interleaved array of node attribute names and values.
             */
            attributes: string[];
        }

        export interface GetBoxModelRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface GetBoxModelResponse {
            /**
             * Box model for the node.
             */
            model: BoxModel;
        }

        export interface GetContentQuadsRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface GetContentQuadsResponse {
            /**
             * Quads that describe node layout relative to viewport.
             */
            quads: Quad[];
        }

        export interface GetDocumentRequest {
            /**
             * The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the
             * entire subtree or provide an integer larger than 0.
             */
            depth?: integer;
            /**
             * Whether or not iframes and shadow roots should be traversed when returning the subtree
             * (default is false).
             */
            pierce?: boolean;
        }

        export interface GetDocumentResponse {
            /**
             * Resulting node.
             */
            root: Node;
        }

        export interface GetFlattenedDocumentRequest {
            /**
             * The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the
             * entire subtree or provide an integer larger than 0.
             */
            depth?: integer;
            /**
             * Whether or not iframes and shadow roots should be traversed when returning the subtree
             * (default is false).
             */
            pierce?: boolean;
        }

        export interface GetFlattenedDocumentResponse {
            /**
             * Resulting node.
             */
            nodes: Node[];
        }

        export interface GetNodesForSubtreeByStyleRequest {
            /**
             * Node ID pointing to the root of a subtree.
             */
            nodeId: NodeId;
            /**
             * The style to filter nodes by (includes nodes if any of properties matches).
             */
            computedStyles: CSSComputedStyleProperty[];
            /**
             * Whether or not iframes and shadow roots in the same target should be traversed when returning the
             * results (default is false).
             */
            pierce?: boolean;
        }

        export interface GetNodesForSubtreeByStyleResponse {
            /**
             * Resulting nodes.
             */
            nodeIds: NodeId[];
        }

        export interface GetNodeForLocationRequest {
            /**
             * X coordinate.
             */
            x: integer;
            /**
             * Y coordinate.
             */
            y: integer;
            /**
             * False to skip to the nearest non-UA shadow root ancestor (default: false).
             */
            includeUserAgentShadowDOM?: boolean;
            /**
             * Whether to ignore pointer-events: none on elements and hit test them.
             */
            ignorePointerEventsNone?: boolean;
        }

        export interface GetNodeForLocationResponse {
            /**
             * Resulting node.
             */
            backendNodeId: BackendNodeId;
            /**
             * Frame this node belongs to.
             */
            frameId: Page.FrameId;
            /**
             * Id of the node at given coordinates, only when enabled and requested document.
             */
            nodeId?: NodeId;
        }

        export interface GetOuterHTMLRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface GetOuterHTMLResponse {
            /**
             * Outer HTML markup.
             */
            outerHTML: string;
        }

        export interface GetRelayoutBoundaryRequest {
            /**
             * Id of the node.
             */
            nodeId: NodeId;
        }

        export interface GetRelayoutBoundaryResponse {
            /**
             * Relayout boundary node id for the given node.
             */
            nodeId: NodeId;
        }

        export interface GetSearchResultsRequest {
            /**
             * Unique search session identifier.
             */
            searchId: string;
            /**
             * Start index of the search result to be returned.
             */
            fromIndex: integer;
            /**
             * End index of the search result to be returned.
             */
            toIndex: integer;
        }

        export interface GetSearchResultsResponse {
            /**
             * Ids of the search result nodes.
             */
            nodeIds: NodeId[];
        }

        export interface MoveToRequest {
            /**
             * Id of the node to move.
             */
            nodeId: NodeId;
            /**
             * Id of the element to drop the moved node into.
             */
            targetNodeId: NodeId;
            /**
             * Drop node before this one (if absent, the moved node becomes the last child of
             * `targetNodeId`).
             */
            insertBeforeNodeId?: NodeId;
        }

        export interface MoveToResponse {
            /**
             * New id of the moved node.
             */
            nodeId: NodeId;
        }

        export interface PerformSearchRequest {
            /**
             * Plain text or query selector or XPath search query.
             */
            query: string;
            /**
             * True to search in user agent shadow DOM.
             */
            includeUserAgentShadowDOM?: boolean;
        }

        export interface PerformSearchResponse {
            /**
             * Unique search session identifier.
             */
            searchId: string;
            /**
             * Number of search results.
             */
            resultCount: integer;
        }

        export interface PushNodeByPathToFrontendRequest {
            /**
             * Path to node in the proprietary format.
             */
            path: string;
        }

        export interface PushNodeByPathToFrontendResponse {
            /**
             * Id of the node for given path.
             */
            nodeId: NodeId;
        }

        export interface PushNodesByBackendIdsToFrontendRequest {
            /**
             * The array of backend node ids.
             */
            backendNodeIds: BackendNodeId[];
        }

        export interface PushNodesByBackendIdsToFrontendResponse {
            /**
             * The array of ids of pushed nodes that correspond to the backend ids specified in
             * backendNodeIds.
             */
            nodeIds: NodeId[];
        }

        export interface QuerySelectorRequest {
            /**
             * Id of the node to query upon.
             */
            nodeId: NodeId;
            /**
             * Selector string.
             */
            selector: string;
        }

        export interface QuerySelectorResponse {
            /**
             * Query selector result.
             */
            nodeId: NodeId;
        }

        export interface QuerySelectorAllRequest {
            /**
             * Id of the node to query upon.
             */
            nodeId: NodeId;
            /**
             * Selector string.
             */
            selector: string;
        }

        export interface QuerySelectorAllResponse {
            /**
             * Query selector result.
             */
            nodeIds: NodeId[];
        }

        export interface RemoveAttributeRequest {
            /**
             * Id of the element to remove attribute from.
             */
            nodeId: NodeId;
            /**
             * Name of the attribute to remove.
             */
            name: string;
        }

        export interface RemoveNodeRequest {
            /**
             * Id of the node to remove.
             */
            nodeId: NodeId;
        }

        export interface RequestChildNodesRequest {
            /**
             * Id of the node to get children for.
             */
            nodeId: NodeId;
            /**
             * The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the
             * entire subtree or provide an integer larger than 0.
             */
            depth?: integer;
            /**
             * Whether or not iframes and shadow roots should be traversed when returning the sub-tree
             * (default is false).
             */
            pierce?: boolean;
        }

        export interface RequestNodeRequest {
            /**
             * JavaScript object id to convert into node.
             */
            objectId: Runtime.RemoteObjectId;
        }

        export interface RequestNodeResponse {
            /**
             * Node id for given object.
             */
            nodeId: NodeId;
        }

        export interface ResolveNodeRequest {
            /**
             * Id of the node to resolve.
             */
            nodeId?: NodeId;
            /**
             * Backend identifier of the node to resolve.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * Symbolic group name that can be used to release multiple objects.
             */
            objectGroup?: string;
            /**
             * Execution context in which to resolve the node.
             */
            executionContextId?: Runtime.ExecutionContextId;
        }

        export interface ResolveNodeResponse {
            /**
             * JavaScript object wrapper for given node.
             */
            object: Runtime.RemoteObject;
        }

        export interface SetAttributeValueRequest {
            /**
             * Id of the element to set attribute for.
             */
            nodeId: NodeId;
            /**
             * Attribute name.
             */
            name: string;
            /**
             * Attribute value.
             */
            value: string;
        }

        export interface SetAttributesAsTextRequest {
            /**
             * Id of the element to set attributes for.
             */
            nodeId: NodeId;
            /**
             * Text with a number of attributes. Will parse this text using HTML parser.
             */
            text: string;
            /**
             * Attribute name to replace with new attributes derived from text in case text parsed
             * successfully.
             */
            name?: string;
        }

        export interface SetFileInputFilesRequest {
            /**
             * Array of file paths to set.
             */
            files: string[];
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface SetNodeStackTracesEnabledRequest {
            /**
             * Enable or disable.
             */
            enable: boolean;
        }

        export interface GetNodeStackTracesRequest {
            /**
             * Id of the node to get stack traces for.
             */
            nodeId: NodeId;
        }

        export interface GetNodeStackTracesResponse {
            /**
             * Creation stack trace, if available.
             */
            creation?: Runtime.StackTrace;
        }

        export interface GetFileInfoRequest {
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId: Runtime.RemoteObjectId;
        }

        export interface GetFileInfoResponse {
            path: string;
        }

        export interface SetInspectedNodeRequest {
            /**
             * DOM node id to be accessible by means of $x command line API.
             */
            nodeId: NodeId;
        }

        export interface SetNodeNameRequest {
            /**
             * Id of the node to set name for.
             */
            nodeId: NodeId;
            /**
             * New node's name.
             */
            name: string;
        }

        export interface SetNodeNameResponse {
            /**
             * New node's id.
             */
            nodeId: NodeId;
        }

        export interface SetNodeValueRequest {
            /**
             * Id of the node to set value for.
             */
            nodeId: NodeId;
            /**
             * New node's value.
             */
            value: string;
        }

        export interface SetOuterHTMLRequest {
            /**
             * Id of the node to set markup for.
             */
            nodeId: NodeId;
            /**
             * Outer HTML markup to set.
             */
            outerHTML: string;
        }

        export interface GetFrameOwnerRequest {
            frameId: Page.FrameId;
        }

        export interface GetFrameOwnerResponse {
            /**
             * Resulting node.
             */
            backendNodeId: BackendNodeId;
            /**
             * Id of the node at given coordinates, only when enabled and requested document.
             */
            nodeId?: NodeId;
        }

        /**
         * Fired when `Element`'s attribute is modified.
         */
        export interface AttributeModifiedEvent {
            /**
             * Id of the node that has changed.
             */
            nodeId: NodeId;
            /**
             * Attribute name.
             */
            name: string;
            /**
             * Attribute value.
             */
            value: string;
        }

        /**
         * Fired when `Element`'s attribute is removed.
         */
        export interface AttributeRemovedEvent {
            /**
             * Id of the node that has changed.
             */
            nodeId: NodeId;
            /**
             * A ttribute name.
             */
            name: string;
        }

        /**
         * Mirrors `DOMCharacterDataModified` event.
         */
        export interface CharacterDataModifiedEvent {
            /**
             * Id of the node that has changed.
             */
            nodeId: NodeId;
            /**
             * New text value.
             */
            characterData: string;
        }

        /**
         * Fired when `Container`'s child node count has changed.
         */
        export interface ChildNodeCountUpdatedEvent {
            /**
             * Id of the node that has changed.
             */
            nodeId: NodeId;
            /**
             * New node count.
             */
            childNodeCount: integer;
        }

        /**
         * Mirrors `DOMNodeInserted` event.
         */
        export interface ChildNodeInsertedEvent {
            /**
             * Id of the node that has changed.
             */
            parentNodeId: NodeId;
            /**
             * If of the previous siblint.
             */
            previousNodeId: NodeId;
            /**
             * Inserted node data.
             */
            node: Node;
        }

        /**
         * Mirrors `DOMNodeRemoved` event.
         */
        export interface ChildNodeRemovedEvent {
            /**
             * Parent id.
             */
            parentNodeId: NodeId;
            /**
             * Id of the node that has been removed.
             */
            nodeId: NodeId;
        }

        /**
         * Called when distrubution is changed.
         */
        export interface DistributedNodesUpdatedEvent {
            /**
             * Insertion point where distrubuted nodes were updated.
             */
            insertionPointId: NodeId;
            /**
             * Distributed nodes for given insertion point.
             */
            distributedNodes: BackendNode[];
        }

        /**
         * Fired when `Element`'s inline style is modified via a CSS property modification.
         */
        export interface InlineStyleInvalidatedEvent {
            /**
             * Ids of the nodes for which the inline styles have been invalidated.
             */
            nodeIds: NodeId[];
        }

        /**
         * Called when a pseudo element is added to an element.
         */
        export interface PseudoElementAddedEvent {
            /**
             * Pseudo element's parent element id.
             */
            parentId: NodeId;
            /**
             * The added pseudo element.
             */
            pseudoElement: Node;
        }

        /**
         * Called when a pseudo element is removed from an element.
         */
        export interface PseudoElementRemovedEvent {
            /**
             * Pseudo element's parent element id.
             */
            parentId: NodeId;
            /**
             * The removed pseudo element id.
             */
            pseudoElementId: NodeId;
        }

        /**
         * Fired when backend wants to provide client with the missing DOM structure. This happens upon
         * most of the calls requesting node ids.
         */
        export interface SetChildNodesEvent {
            /**
             * Parent node id to populate with children.
             */
            parentId: NodeId;
            /**
             * Child nodes array.
             */
            nodes: Node[];
        }

        /**
         * Called when shadow root is popped from the element.
         */
        export interface ShadowRootPoppedEvent {
            /**
             * Host element id.
             */
            hostId: NodeId;
            /**
             * Shadow root id.
             */
            rootId: NodeId;
        }

        /**
         * Called when shadow root is pushed into the element.
         */
        export interface ShadowRootPushedEvent {
            /**
             * Host element id.
             */
            hostId: NodeId;
            /**
             * Shadow root.
             */
            root: Node;
        }
    }

    /**
     * DOM debugging allows setting breakpoints on particular DOM operations and events. JavaScript
     * execution will stop on these operations as if there was a regular breakpoint set.
     */
    export namespace DOMDebugger {

        /**
         * DOM breakpoint type.
         */
        export type DOMBreakpointType = ('subtree-modified' | 'attribute-modified' | 'node-removed');

        /**
         * Object event listener.
         */
        export interface EventListener {
            /**
             * `EventListener`'s type.
             */
            type: string;
            /**
             * `EventListener`'s useCapture.
             */
            useCapture: boolean;
            /**
             * `EventListener`'s passive flag.
             */
            passive: boolean;
            /**
             * `EventListener`'s once flag.
             */
            once: boolean;
            /**
             * Script id of the handler code.
             */
            scriptId: Runtime.ScriptId;
            /**
             * Line number in the script (0-based).
             */
            lineNumber: integer;
            /**
             * Column number in the script (0-based).
             */
            columnNumber: integer;
            /**
             * Event handler function value.
             */
            handler?: Runtime.RemoteObject;
            /**
             * Event original handler function value.
             */
            originalHandler?: Runtime.RemoteObject;
            /**
             * Node the listener is added to (if any).
             */
            backendNodeId?: DOM.BackendNodeId;
        }

        export interface GetEventListenersRequest {
            /**
             * Identifier of the object to return listeners for.
             */
            objectId: Runtime.RemoteObjectId;
            /**
             * The maximum depth at which Node children should be retrieved, defaults to 1. Use -1 for the
             * entire subtree or provide an integer larger than 0.
             */
            depth?: integer;
            /**
             * Whether or not iframes and shadow roots should be traversed when returning the subtree
             * (default is false). Reports listeners for all contexts if pierce is enabled.
             */
            pierce?: boolean;
        }

        export interface GetEventListenersResponse {
            /**
             * Array of relevant listeners.
             */
            listeners: EventListener[];
        }

        export interface RemoveDOMBreakpointRequest {
            /**
             * Identifier of the node to remove breakpoint from.
             */
            nodeId: DOM.NodeId;
            /**
             * Type of the breakpoint to remove.
             */
            type: DOMBreakpointType;
        }

        export interface RemoveEventListenerBreakpointRequest {
            /**
             * Event name.
             */
            eventName: string;
            /**
             * EventTarget interface name.
             */
            targetName?: string;
        }

        export interface RemoveInstrumentationBreakpointRequest {
            /**
             * Instrumentation name to stop on.
             */
            eventName: string;
        }

        export interface RemoveXHRBreakpointRequest {
            /**
             * Resource URL substring.
             */
            url: string;
        }

        export interface SetDOMBreakpointRequest {
            /**
             * Identifier of the node to set breakpoint on.
             */
            nodeId: DOM.NodeId;
            /**
             * Type of the operation to stop upon.
             */
            type: DOMBreakpointType;
        }

        export interface SetEventListenerBreakpointRequest {
            /**
             * DOM Event name to stop on (any DOM event will do).
             */
            eventName: string;
            /**
             * EventTarget interface name to stop on. If equal to `"*"` or not provided, will stop on any
             * EventTarget.
             */
            targetName?: string;
        }

        export interface SetInstrumentationBreakpointRequest {
            /**
             * Instrumentation name to stop on.
             */
            eventName: string;
        }

        export interface SetXHRBreakpointRequest {
            /**
             * Resource URL substring. All XHRs having this substring in the URL will get stopped upon.
             */
            url: string;
        }
    }

    /**
     * This domain facilitates obtaining document snapshots with DOM, layout, and style information.
     */
    export namespace DOMSnapshot {

        /**
         * A Node in the DOM tree.
         */
        export interface DOMNode {
            /**
             * `Node`'s nodeType.
             */
            nodeType: integer;
            /**
             * `Node`'s nodeName.
             */
            nodeName: string;
            /**
             * `Node`'s nodeValue.
             */
            nodeValue: string;
            /**
             * Only set for textarea elements, contains the text value.
             */
            textValue?: string;
            /**
             * Only set for input elements, contains the input's associated text value.
             */
            inputValue?: string;
            /**
             * Only set for radio and checkbox input elements, indicates if the element has been checked
             */
            inputChecked?: boolean;
            /**
             * Only set for option elements, indicates if the element has been selected
             */
            optionSelected?: boolean;
            /**
             * `Node`'s id, corresponds to DOM.Node.backendNodeId.
             */
            backendNodeId: DOM.BackendNodeId;
            /**
             * The indexes of the node's child nodes in the `domNodes` array returned by `getSnapshot`, if
             * any.
             */
            childNodeIndexes?: integer[];
            /**
             * Attributes of an `Element` node.
             */
            attributes?: NameValue[];
            /**
             * Indexes of pseudo elements associated with this node in the `domNodes` array returned by
             * `getSnapshot`, if any.
             */
            pseudoElementIndexes?: integer[];
            /**
             * The index of the node's related layout tree node in the `layoutTreeNodes` array returned by
             * `getSnapshot`, if any.
             */
            layoutNodeIndex?: integer;
            /**
             * Document URL that `Document` or `FrameOwner` node points to.
             */
            documentURL?: string;
            /**
             * Base URL that `Document` or `FrameOwner` node uses for URL completion.
             */
            baseURL?: string;
            /**
             * Only set for documents, contains the document's content language.
             */
            contentLanguage?: string;
            /**
             * Only set for documents, contains the document's character set encoding.
             */
            documentEncoding?: string;
            /**
             * `DocumentType` node's publicId.
             */
            publicId?: string;
            /**
             * `DocumentType` node's systemId.
             */
            systemId?: string;
            /**
             * Frame ID for frame owner elements and also for the document node.
             */
            frameId?: Page.FrameId;
            /**
             * The index of a frame owner element's content document in the `domNodes` array returned by
             * `getSnapshot`, if any.
             */
            contentDocumentIndex?: integer;
            /**
             * Type of a pseudo element node.
             */
            pseudoType?: DOM.PseudoType;
            /**
             * Shadow root type.
             */
            shadowRootType?: DOM.ShadowRootType;
            /**
             * Whether this DOM node responds to mouse clicks. This includes nodes that have had click
             * event listeners attached via JavaScript as well as anchor tags that naturally navigate when
             * clicked.
             */
            isClickable?: boolean;
            /**
             * Details of the node's event listeners, if any.
             */
            eventListeners?: DOMDebugger.EventListener[];
            /**
             * The selected url for nodes with a srcset attribute.
             */
            currentSourceURL?: string;
            /**
             * The url of the script (if any) that generates this node.
             */
            originURL?: string;
            /**
             * Scroll offsets, set when this node is a Document.
             */
            scrollOffsetX?: number;
            scrollOffsetY?: number;
        }

        /**
         * Details of post layout rendered text positions. The exact layout should not be regarded as
         * stable and may change between versions.
         */
        export interface InlineTextBox {
            /**
             * The bounding box in document coordinates. Note that scroll offset of the document is ignored.
             */
            boundingBox: DOM.Rect;
            /**
             * The starting index in characters, for this post layout textbox substring. Characters that
             * would be represented as a surrogate pair in UTF-16 have length 2.
             */
            startCharacterIndex: integer;
            /**
             * The number of characters in this post layout textbox substring. Characters that would be
             * represented as a surrogate pair in UTF-16 have length 2.
             */
            numCharacters: integer;
        }

        /**
         * Details of an element in the DOM tree with a LayoutObject.
         */
        export interface LayoutTreeNode {
            /**
             * The index of the related DOM node in the `domNodes` array returned by `getSnapshot`.
             */
            domNodeIndex: integer;
            /**
             * The bounding box in document coordinates. Note that scroll offset of the document is ignored.
             */
            boundingBox: DOM.Rect;
            /**
             * Contents of the LayoutText, if any.
             */
            layoutText?: string;
            /**
             * The post-layout inline text nodes, if any.
             */
            inlineTextNodes?: InlineTextBox[];
            /**
             * Index into the `computedStyles` array returned by `getSnapshot`.
             */
            styleIndex?: integer;
            /**
             * Global paint order index, which is determined by the stacking order of the nodes. Nodes
             * that are painted together will have the same index. Only provided if includePaintOrder in
             * getSnapshot was true.
             */
            paintOrder?: integer;
            /**
             * Set to true to indicate the element begins a new stacking context.
             */
            isStackingContext?: boolean;
        }

        /**
         * A subset of the full ComputedStyle as defined by the request whitelist.
         */
        export interface ComputedStyle {
            /**
             * Name/value pairs of computed style properties.
             */
            properties: NameValue[];
        }

        /**
         * A name/value pair.
         */
        export interface NameValue {
            /**
             * Attribute/property name.
             */
            name: string;
            /**
             * Attribute/property value.
             */
            value: string;
        }

        /**
         * Index of the string in the strings table.
         */
        export type StringIndex = integer;

        /**
         * Index of the string in the strings table.
         */
        export type ArrayOfStrings = StringIndex[];

        /**
         * Data that is only present on rare nodes.
         */
        export interface RareStringData {
            index: integer[];
            value: StringIndex[];
        }

        export interface RareBooleanData {
            index: integer[];
        }

        export interface RareIntegerData {
            index: integer[];
            value: integer[];
        }

        export type Rectangle = number[];

        /**
         * Document snapshot.
         */
        export interface DocumentSnapshot {
            /**
             * Document URL that `Document` or `FrameOwner` node points to.
             */
            documentURL: StringIndex;
            /**
             * Document title.
             */
            title: StringIndex;
            /**
             * Base URL that `Document` or `FrameOwner` node uses for URL completion.
             */
            baseURL: StringIndex;
            /**
             * Contains the document's content language.
             */
            contentLanguage: StringIndex;
            /**
             * Contains the document's character set encoding.
             */
            encodingName: StringIndex;
            /**
             * `DocumentType` node's publicId.
             */
            publicId: StringIndex;
            /**
             * `DocumentType` node's systemId.
             */
            systemId: StringIndex;
            /**
             * Frame ID for frame owner elements and also for the document node.
             */
            frameId: StringIndex;
            /**
             * A table with dom nodes.
             */
            nodes: NodeTreeSnapshot;
            /**
             * The nodes in the layout tree.
             */
            layout: LayoutTreeSnapshot;
            /**
             * The post-layout inline text nodes.
             */
            textBoxes: TextBoxSnapshot;
            /**
             * Horizontal scroll offset.
             */
            scrollOffsetX?: number;
            /**
             * Vertical scroll offset.
             */
            scrollOffsetY?: number;
            /**
             * Document content width.
             */
            contentWidth?: number;
            /**
             * Document content height.
             */
            contentHeight?: number;
        }

        /**
         * Table containing nodes.
         */
        export interface NodeTreeSnapshot {
            /**
             * Parent node index.
             */
            parentIndex?: integer[];
            /**
             * `Node`'s nodeType.
             */
            nodeType?: integer[];
            /**
             * `Node`'s nodeName.
             */
            nodeName?: StringIndex[];
            /**
             * `Node`'s nodeValue.
             */
            nodeValue?: StringIndex[];
            /**
             * `Node`'s id, corresponds to DOM.Node.backendNodeId.
             */
            backendNodeId?: DOM.BackendNodeId[];
            /**
             * Attributes of an `Element` node. Flatten name, value pairs.
             */
            attributes?: ArrayOfStrings[];
            /**
             * Only set for textarea elements, contains the text value.
             */
            textValue?: RareStringData;
            /**
             * Only set for input elements, contains the input's associated text value.
             */
            inputValue?: RareStringData;
            /**
             * Only set for radio and checkbox input elements, indicates if the element has been checked
             */
            inputChecked?: RareBooleanData;
            /**
             * Only set for option elements, indicates if the element has been selected
             */
            optionSelected?: RareBooleanData;
            /**
             * The index of the document in the list of the snapshot documents.
             */
            contentDocumentIndex?: RareIntegerData;
            /**
             * Type of a pseudo element node.
             */
            pseudoType?: RareStringData;
            /**
             * Whether this DOM node responds to mouse clicks. This includes nodes that have had click
             * event listeners attached via JavaScript as well as anchor tags that naturally navigate when
             * clicked.
             */
            isClickable?: RareBooleanData;
            /**
             * The selected url for nodes with a srcset attribute.
             */
            currentSourceURL?: RareStringData;
            /**
             * The url of the script (if any) that generates this node.
             */
            originURL?: RareStringData;
        }

        /**
         * Table of details of an element in the DOM tree with a LayoutObject.
         */
        export interface LayoutTreeSnapshot {
            /**
             * Index of the corresponding node in the `NodeTreeSnapshot` array returned by `captureSnapshot`.
             */
            nodeIndex: integer[];
            /**
             * Array of indexes specifying computed style strings, filtered according to the `computedStyles` parameter passed to `captureSnapshot`.
             */
            styles: ArrayOfStrings[];
            /**
             * The absolute position bounding box.
             */
            bounds: Rectangle[];
            /**
             * Contents of the LayoutText, if any.
             */
            text: StringIndex[];
            /**
             * Stacking context information.
             */
            stackingContexts: RareBooleanData;
            /**
             * Global paint order index, which is determined by the stacking order of the nodes. Nodes
             * that are painted together will have the same index. Only provided if includePaintOrder in
             * captureSnapshot was true.
             */
            paintOrders?: integer[];
            /**
             * The offset rect of nodes. Only available when includeDOMRects is set to true
             */
            offsetRects?: Rectangle[];
            /**
             * The scroll rect of nodes. Only available when includeDOMRects is set to true
             */
            scrollRects?: Rectangle[];
            /**
             * The client rect of nodes. Only available when includeDOMRects is set to true
             */
            clientRects?: Rectangle[];
        }

        /**
         * Table of details of the post layout rendered text positions. The exact layout should not be regarded as
         * stable and may change between versions.
         */
        export interface TextBoxSnapshot {
            /**
             * Index of the layout tree node that owns this box collection.
             */
            layoutIndex: integer[];
            /**
             * The absolute position bounding box.
             */
            bounds: Rectangle[];
            /**
             * The starting index in characters, for this post layout textbox substring. Characters that
             * would be represented as a surrogate pair in UTF-16 have length 2.
             */
            start: integer[];
            /**
             * The number of characters in this post layout textbox substring. Characters that would be
             * represented as a surrogate pair in UTF-16 have length 2.
             */
            length: integer[];
        }

        export interface GetSnapshotRequest {
            /**
             * Whitelist of computed styles to return.
             */
            computedStyleWhitelist: string[];
            /**
             * Whether or not to retrieve details of DOM listeners (default false).
             */
            includeEventListeners?: boolean;
            /**
             * Whether to determine and include the paint order index of LayoutTreeNodes (default false).
             */
            includePaintOrder?: boolean;
            /**
             * Whether to include UA shadow tree in the snapshot (default false).
             */
            includeUserAgentShadowTree?: boolean;
        }

        export interface GetSnapshotResponse {
            /**
             * The nodes in the DOM tree. The DOMNode at index 0 corresponds to the root document.
             */
            domNodes: DOMNode[];
            /**
             * The nodes in the layout tree.
             */
            layoutTreeNodes: LayoutTreeNode[];
            /**
             * Whitelisted ComputedStyle properties for each node in the layout tree.
             */
            computedStyles: ComputedStyle[];
        }

        export interface CaptureSnapshotRequest {
            /**
             * Whitelist of computed styles to return.
             */
            computedStyles: string[];
            /**
             * Whether to include layout object paint orders into the snapshot.
             */
            includePaintOrder?: boolean;
            /**
             * Whether to include DOM rectangles (offsetRects, clientRects, scrollRects) into the snapshot
             */
            includeDOMRects?: boolean;
        }

        export interface CaptureSnapshotResponse {
            /**
             * The nodes in the DOM tree. The DOMNode at index 0 corresponds to the root document.
             */
            documents: DocumentSnapshot[];
            /**
             * Shared string table that all string properties refer to with indexes.
             */
            strings: string[];
        }
    }

    /**
     * Query and modify DOM storage.
     */
    export namespace DOMStorage {

        /**
         * DOM Storage identifier.
         */
        export interface StorageId {
            /**
             * Security origin for the storage.
             */
            securityOrigin: string;
            /**
             * Whether the storage is local storage (not session storage).
             */
            isLocalStorage: boolean;
        }

        /**
         * DOM Storage item.
         */
        export type Item = string[];

        export interface ClearRequest {
            storageId: StorageId;
        }

        export interface GetDOMStorageItemsRequest {
            storageId: StorageId;
        }

        export interface GetDOMStorageItemsResponse {
            entries: Item[];
        }

        export interface RemoveDOMStorageItemRequest {
            storageId: StorageId;
            key: string;
        }

        export interface SetDOMStorageItemRequest {
            storageId: StorageId;
            key: string;
            value: string;
        }

        export interface DomStorageItemAddedEvent {
            storageId: StorageId;
            key: string;
            newValue: string;
        }

        export interface DomStorageItemRemovedEvent {
            storageId: StorageId;
            key: string;
        }

        export interface DomStorageItemUpdatedEvent {
            storageId: StorageId;
            key: string;
            oldValue: string;
            newValue: string;
        }

        export interface DomStorageItemsClearedEvent {
            storageId: StorageId;
        }
    }

    export namespace Database {

        /**
         * Unique identifier of Database object.
         */
        export type DatabaseId = string;

        /**
         * Database object.
         */
        export interface Database {
            /**
             * Database ID.
             */
            id: DatabaseId;
            /**
             * Database domain.
             */
            domain: string;
            /**
             * Database name.
             */
            name: string;
            /**
             * Database version.
             */
            version: string;
        }

        /**
         * Database error.
         */
        export interface Error {
            /**
             * Error message.
             */
            message: string;
            /**
             * Error code.
             */
            code: integer;
        }

        export interface ExecuteSQLRequest {
            databaseId: DatabaseId;
            query: string;
        }

        export interface ExecuteSQLResponse {
            columnNames?: string[];
            values?: any[];
            sqlError?: Error;
        }

        export interface GetDatabaseTableNamesRequest {
            databaseId: DatabaseId;
        }

        export interface GetDatabaseTableNamesResponse {
            tableNames: string[];
        }

        export interface AddDatabaseEvent {
            database: Database;
        }
    }

    export namespace DeviceOrientation {

        export interface SetDeviceOrientationOverrideRequest {
            /**
             * Mock alpha
             */
            alpha: number;
            /**
             * Mock beta
             */
            beta: number;
            /**
             * Mock gamma
             */
            gamma: number;
        }
    }

    /**
     * This domain emulates different environments for the page.
     */
    export namespace Emulation {

        export const enum ScreenOrientationType {
            PortraitPrimary = 'portraitPrimary',
            PortraitSecondary = 'portraitSecondary',
            LandscapePrimary = 'landscapePrimary',
            LandscapeSecondary = 'landscapeSecondary',
        }

        /**
         * Screen orientation.
         */
        export interface ScreenOrientation {
            /**
             * Orientation type. (ScreenOrientationType enum)
             */
            type: ('portraitPrimary' | 'portraitSecondary' | 'landscapePrimary' | 'landscapeSecondary');
            /**
             * Orientation angle.
             */
            angle: integer;
        }

        export const enum DisplayFeatureOrientation {
            Vertical = 'vertical',
            Horizontal = 'horizontal',
        }

        export interface DisplayFeature {
            /**
             * Orientation of a display feature in relation to screen (DisplayFeatureOrientation enum)
             */
            orientation: ('vertical' | 'horizontal');
            /**
             * The offset from the screen origin in either the x (for vertical
             * orientation) or y (for horizontal orientation) direction.
             */
            offset: integer;
            /**
             * A display feature may mask content such that it is not physically
             * displayed - this length along with the offset describes this area.
             * A display feature that only splits content will have a 0 mask_length.
             */
            maskLength: integer;
        }

        export interface MediaFeature {
            name: string;
            value: string;
        }

        /**
         * advance: If the scheduler runs out of immediate work, the virtual time base may fast forward to
         * allow the next delayed task (if any) to run; pause: The virtual time base may not advance;
         * pauseIfNetworkFetchesPending: The virtual time base may not advance if there are any pending
         * resource fetches.
         */
        export type VirtualTimePolicy = ('advance' | 'pause' | 'pauseIfNetworkFetchesPending');

        /**
         * Used to specify User Agent Cient Hints to emulate. See https://wicg.github.io/ua-client-hints
         */
        export interface UserAgentBrandVersion {
            brand: string;
            version: string;
        }

        /**
         * Used to specify User Agent Cient Hints to emulate. See https://wicg.github.io/ua-client-hints
         */
        export interface UserAgentMetadata {
            brands: UserAgentBrandVersion[];
            fullVersion: string;
            platform: string;
            platformVersion: string;
            architecture: string;
            model: string;
            mobile: boolean;
        }

        export interface CanEmulateResponse {
            /**
             * True if emulation is supported.
             */
            result: boolean;
        }

        export interface SetFocusEmulationEnabledRequest {
            /**
             * Whether to enable to disable focus emulation.
             */
            enabled: boolean;
        }

        export interface SetCPUThrottlingRateRequest {
            /**
             * Throttling rate as a slowdown factor (1 is no throttle, 2 is 2x slowdown, etc).
             */
            rate: number;
        }

        export interface SetDefaultBackgroundColorOverrideRequest {
            /**
             * RGBA of the default background color. If not specified, any existing override will be
             * cleared.
             */
            color?: DOM.RGBA;
        }

        export interface SetDeviceMetricsOverrideRequest {
            /**
             * Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override.
             */
            width: integer;
            /**
             * Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override.
             */
            height: integer;
            /**
             * Overriding device scale factor value. 0 disables the override.
             */
            deviceScaleFactor: number;
            /**
             * Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text
             * autosizing and more.
             */
            mobile: boolean;
            /**
             * Scale to apply to resulting view image.
             */
            scale?: number;
            /**
             * Overriding screen width value in pixels (minimum 0, maximum 10000000).
             */
            screenWidth?: integer;
            /**
             * Overriding screen height value in pixels (minimum 0, maximum 10000000).
             */
            screenHeight?: integer;
            /**
             * Overriding view X position on screen in pixels (minimum 0, maximum 10000000).
             */
            positionX?: integer;
            /**
             * Overriding view Y position on screen in pixels (minimum 0, maximum 10000000).
             */
            positionY?: integer;
            /**
             * Do not set visible view size, rely upon explicit setVisibleSize call.
             */
            dontSetVisibleSize?: boolean;
            /**
             * Screen orientation override.
             */
            screenOrientation?: ScreenOrientation;
            /**
             * If set, the visible area of the page will be overridden to this viewport. This viewport
             * change is not observed by the page, e.g. viewport-relative elements do not change positions.
             */
            viewport?: Page.Viewport;
            /**
             * If set, the display feature of a multi-segment screen. If not set, multi-segment support
             * is turned-off.
             */
            displayFeature?: DisplayFeature;
        }

        export interface SetScrollbarsHiddenRequest {
            /**
             * Whether scrollbars should be always hidden.
             */
            hidden: boolean;
        }

        export interface SetDocumentCookieDisabledRequest {
            /**
             * Whether document.coookie API should be disabled.
             */
            disabled: boolean;
        }

        export const enum SetEmitTouchEventsForMouseRequestConfiguration {
            Mobile = 'mobile',
            Desktop = 'desktop',
        }

        export interface SetEmitTouchEventsForMouseRequest {
            /**
             * Whether touch emulation based on mouse input should be enabled.
             */
            enabled: boolean;
            /**
             * Touch/gesture events configuration. Default: current platform. (SetEmitTouchEventsForMouseRequestConfiguration enum)
             */
            configuration?: ('mobile' | 'desktop');
        }

        export interface SetEmulatedMediaRequest {
            /**
             * Media type to emulate. Empty string disables the override.
             */
            media?: string;
            /**
             * Media features to emulate.
             */
            features?: MediaFeature[];
        }

        export const enum SetEmulatedVisionDeficiencyRequestType {
            None = 'none',
            Achromatopsia = 'achromatopsia',
            BlurredVision = 'blurredVision',
            Deuteranopia = 'deuteranopia',
            Protanopia = 'protanopia',
            Tritanopia = 'tritanopia',
        }

        export interface SetEmulatedVisionDeficiencyRequest {
            /**
             * Vision deficiency to emulate. (SetEmulatedVisionDeficiencyRequestType enum)
             */
            type: ('none' | 'achromatopsia' | 'blurredVision' | 'deuteranopia' | 'protanopia' | 'tritanopia');
        }

        export interface SetGeolocationOverrideRequest {
            /**
             * Mock latitude
             */
            latitude?: number;
            /**
             * Mock longitude
             */
            longitude?: number;
            /**
             * Mock accuracy
             */
            accuracy?: number;
        }

        export interface SetIdleOverrideRequest {
            /**
             * Mock isUserActive
             */
            isUserActive: boolean;
            /**
             * Mock isScreenUnlocked
             */
            isScreenUnlocked: boolean;
        }

        export interface SetNavigatorOverridesRequest {
            /**
             * The platform navigator.platform should return.
             */
            platform: string;
        }

        export interface SetPageScaleFactorRequest {
            /**
             * Page scale factor.
             */
            pageScaleFactor: number;
        }

        export interface SetScriptExecutionDisabledRequest {
            /**
             * Whether script execution should be disabled in the page.
             */
            value: boolean;
        }

        export interface SetTouchEmulationEnabledRequest {
            /**
             * Whether the touch event emulation should be enabled.
             */
            enabled: boolean;
            /**
             * Maximum touch points supported. Defaults to one.
             */
            maxTouchPoints?: integer;
        }

        export interface SetVirtualTimePolicyRequest {
            policy: VirtualTimePolicy;
            /**
             * If set, after this many virtual milliseconds have elapsed virtual time will be paused and a
             * virtualTimeBudgetExpired event is sent.
             */
            budget?: number;
            /**
             * If set this specifies the maximum number of tasks that can be run before virtual is forced
             * forwards to prevent deadlock.
             */
            maxVirtualTimeTaskStarvationCount?: integer;
            /**
             * If set the virtual time policy change should be deferred until any frame starts navigating.
             * Note any previous deferred policy change is superseded.
             */
            waitForNavigation?: boolean;
            /**
             * If set, base::Time::Now will be overriden to initially return this value.
             */
            initialVirtualTime?: Network.TimeSinceEpoch;
        }

        export interface SetVirtualTimePolicyResponse {
            /**
             * Absolute timestamp at which virtual time was first enabled (up time in milliseconds).
             */
            virtualTimeTicksBase: number;
        }

        export interface SetLocaleOverrideRequest {
            /**
             * ICU style C locale (e.g. "en_US"). If not specified or empty, disables the override and
             * restores default host system locale.
             */
            locale?: string;
        }

        export interface SetTimezoneOverrideRequest {
            /**
             * The timezone identifier. If empty, disables the override and
             * restores default host system timezone.
             */
            timezoneId: string;
        }

        export interface SetVisibleSizeRequest {
            /**
             * Frame width (DIP).
             */
            width: integer;
            /**
             * Frame height (DIP).
             */
            height: integer;
        }

        export interface SetUserAgentOverrideRequest {
            /**
             * User agent to use.
             */
            userAgent: string;
            /**
             * Browser langugage to emulate.
             */
            acceptLanguage?: string;
            /**
             * The platform navigator.platform should return.
             */
            platform?: string;
            /**
             * To be sent in Sec-CH-UA-* headers and returned in navigator.userAgentData
             */
            userAgentMetadata?: UserAgentMetadata;
        }
    }

    /**
     * This domain provides experimental commands only supported in headless mode.
     */
    export namespace HeadlessExperimental {

        export const enum ScreenshotParamsFormat {
            Jpeg = 'jpeg',
            Png = 'png',
        }

        /**
         * Encoding options for a screenshot.
         */
        export interface ScreenshotParams {
            /**
             * Image compression format (defaults to png). (ScreenshotParamsFormat enum)
             */
            format?: ('jpeg' | 'png');
            /**
             * Compression quality from range [0..100] (jpeg only).
             */
            quality?: integer;
        }

        export interface BeginFrameRequest {
            /**
             * Timestamp of this BeginFrame in Renderer TimeTicks (milliseconds of uptime). If not set,
             * the current time will be used.
             */
            frameTimeTicks?: number;
            /**
             * The interval between BeginFrames that is reported to the compositor, in milliseconds.
             * Defaults to a 60 frames/second interval, i.e. about 16.666 milliseconds.
             */
            interval?: number;
            /**
             * Whether updates should not be committed and drawn onto the display. False by default. If
             * true, only side effects of the BeginFrame will be run, such as layout and animations, but
             * any visual updates may not be visible on the display or in screenshots.
             */
            noDisplayUpdates?: boolean;
            /**
             * If set, a screenshot of the frame will be captured and returned in the response. Otherwise,
             * no screenshot will be captured. Note that capturing a screenshot can fail, for example,
             * during renderer initialization. In such a case, no screenshot data will be returned.
             */
            screenshot?: ScreenshotParams;
        }

        export interface BeginFrameResponse {
            /**
             * Whether the BeginFrame resulted in damage and, thus, a new frame was committed to the
             * display. Reported for diagnostic uses, may be removed in the future.
             */
            hasDamage: boolean;
            /**
             * Base64-encoded image data of the screenshot, if one was requested and successfully taken.
             */
            screenshotData?: string;
        }

        /**
         * Issued when the target starts or stops needing BeginFrames.
         * Deprecated. Issue beginFrame unconditionally instead and use result from
         * beginFrame to detect whether the frames were suppressed.
         */
        export interface NeedsBeginFramesChangedEvent {
            /**
             * True if BeginFrames are needed, false otherwise.
             */
            needsBeginFrames: boolean;
        }
    }

    /**
     * Input/Output operations for streams produced by DevTools.
     */
    export namespace IO {

        /**
         * This is either obtained from another method or specifed as `blob:&lt;uuid&gt;` where
         * `&lt;uuid&gt` is an UUID of a Blob.
         */
        export type StreamHandle = string;

        export interface CloseRequest {
            /**
             * Handle of the stream to close.
             */
            handle: StreamHandle;
        }

        export interface ReadRequest {
            /**
             * Handle of the stream to read.
             */
            handle: StreamHandle;
            /**
             * Seek to the specified offset before reading (if not specificed, proceed with offset
             * following the last read). Some types of streams may only support sequential reads.
             */
            offset?: integer;
            /**
             * Maximum number of bytes to read (left upon the agent discretion if not specified).
             */
            size?: integer;
        }

        export interface ReadResponse {
            /**
             * Set if the data is base64-encoded
             */
            base64Encoded?: boolean;
            /**
             * Data that were read.
             */
            data: string;
            /**
             * Set if the end-of-file condition occured while reading.
             */
            eof: boolean;
        }

        export interface ResolveBlobRequest {
            /**
             * Object id of a Blob object wrapper.
             */
            objectId: Runtime.RemoteObjectId;
        }

        export interface ResolveBlobResponse {
            /**
             * UUID of the specified Blob.
             */
            uuid: string;
        }
    }

    export namespace IndexedDB {

        /**
         * Database with an array of object stores.
         */
        export interface DatabaseWithObjectStores {
            /**
             * Database name.
             */
            name: string;
            /**
             * Database version (type is not 'integer', as the standard
             * requires the version number to be 'unsigned long long')
             */
            version: number;
            /**
             * Object stores in this database.
             */
            objectStores: ObjectStore[];
        }

        /**
         * Object store.
         */
        export interface ObjectStore {
            /**
             * Object store name.
             */
            name: string;
            /**
             * Object store key path.
             */
            keyPath: KeyPath;
            /**
             * If true, object store has auto increment flag set.
             */
            autoIncrement: boolean;
            /**
             * Indexes in this object store.
             */
            indexes: ObjectStoreIndex[];
        }

        /**
         * Object store index.
         */
        export interface ObjectStoreIndex {
            /**
             * Index name.
             */
            name: string;
            /**
             * Index key path.
             */
            keyPath: KeyPath;
            /**
             * If true, index is unique.
             */
            unique: boolean;
            /**
             * If true, index allows multiple entries for a key.
             */
            multiEntry: boolean;
        }

        export const enum KeyType {
            Number = 'number',
            String = 'string',
            Date = 'date',
            Array = 'array',
        }

        /**
         * Key.
         */
        export interface Key {
            /**
             * Key type. (KeyType enum)
             */
            type: ('number' | 'string' | 'date' | 'array');
            /**
             * Number value.
             */
            number?: number;
            /**
             * String value.
             */
            string?: string;
            /**
             * Date value.
             */
            date?: number;
            /**
             * Array value.
             */
            array?: Key[];
        }

        /**
         * Key range.
         */
        export interface KeyRange {
            /**
             * Lower bound.
             */
            lower?: Key;
            /**
             * Upper bound.
             */
            upper?: Key;
            /**
             * If true lower bound is open.
             */
            lowerOpen: boolean;
            /**
             * If true upper bound is open.
             */
            upperOpen: boolean;
        }

        /**
         * Data entry.
         */
        export interface DataEntry {
            /**
             * Key object.
             */
            key: Runtime.RemoteObject;
            /**
             * Primary key object.
             */
            primaryKey: Runtime.RemoteObject;
            /**
             * Value object.
             */
            value: Runtime.RemoteObject;
        }

        export const enum KeyPathType {
            Null = 'null',
            String = 'string',
            Array = 'array',
        }

        /**
         * Key path.
         */
        export interface KeyPath {
            /**
             * Key path type. (KeyPathType enum)
             */
            type: ('null' | 'string' | 'array');
            /**
             * String value.
             */
            string?: string;
            /**
             * Array value.
             */
            array?: string[];
        }

        export interface ClearObjectStoreRequest {
            /**
             * Security origin.
             */
            securityOrigin: string;
            /**
             * Database name.
             */
            databaseName: string;
            /**
             * Object store name.
             */
            objectStoreName: string;
        }

        export interface DeleteDatabaseRequest {
            /**
             * Security origin.
             */
            securityOrigin: string;
            /**
             * Database name.
             */
            databaseName: string;
        }

        export interface DeleteObjectStoreEntriesRequest {
            securityOrigin: string;
            databaseName: string;
            objectStoreName: string;
            /**
             * Range of entry keys to delete
             */
            keyRange: KeyRange;
        }

        export interface RequestDataRequest {
            /**
             * Security origin.
             */
            securityOrigin: string;
            /**
             * Database name.
             */
            databaseName: string;
            /**
             * Object store name.
             */
            objectStoreName: string;
            /**
             * Index name, empty string for object store data requests.
             */
            indexName: string;
            /**
             * Number of records to skip.
             */
            skipCount: integer;
            /**
             * Number of records to fetch.
             */
            pageSize: integer;
            /**
             * Key range.
             */
            keyRange?: KeyRange;
        }

        export interface RequestDataResponse {
            /**
             * Array of object store data entries.
             */
            objectStoreDataEntries: DataEntry[];
            /**
             * If true, there are more entries to fetch in the given range.
             */
            hasMore: boolean;
        }

        export interface GetMetadataRequest {
            /**
             * Security origin.
             */
            securityOrigin: string;
            /**
             * Database name.
             */
            databaseName: string;
            /**
             * Object store name.
             */
            objectStoreName: string;
        }

        export interface GetMetadataResponse {
            /**
             * the entries count
             */
            entriesCount: number;
            /**
             * the current value of key generator, to become the next inserted
             * key into the object store. Valid if objectStore.autoIncrement
             * is true.
             */
            keyGeneratorValue: number;
        }

        export interface RequestDatabaseRequest {
            /**
             * Security origin.
             */
            securityOrigin: string;
            /**
             * Database name.
             */
            databaseName: string;
        }

        export interface RequestDatabaseResponse {
            /**
             * Database with an array of object stores.
             */
            databaseWithObjectStores: DatabaseWithObjectStores;
        }

        export interface RequestDatabaseNamesRequest {
            /**
             * Security origin.
             */
            securityOrigin: string;
        }

        export interface RequestDatabaseNamesResponse {
            /**
             * Database names for origin.
             */
            databaseNames: string[];
        }
    }

    export namespace Input {

        export interface TouchPoint {
            /**
             * X coordinate of the event relative to the main frame's viewport in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the event relative to the main frame's viewport in CSS pixels. 0 refers to
             * the top of the viewport and Y increases as it proceeds towards the bottom of the viewport.
             */
            y: number;
            /**
             * X radius of the touch area (default: 1.0).
             */
            radiusX?: number;
            /**
             * Y radius of the touch area (default: 1.0).
             */
            radiusY?: number;
            /**
             * Rotation angle (default: 0.0).
             */
            rotationAngle?: number;
            /**
             * Force (default: 1.0).
             */
            force?: number;
            /**
             * Identifier used to track touch sources between events, must be unique within an event.
             */
            id?: number;
        }

        export type GestureSourceType = ('default' | 'touch' | 'mouse');

        export type MouseButton = ('none' | 'left' | 'middle' | 'right' | 'back' | 'forward');

        /**
         * UTC time in seconds, counted from January 1, 1970.
         */
        export type TimeSinceEpoch = number;

        export const enum DispatchKeyEventRequestType {
            KeyDown = 'keyDown',
            KeyUp = 'keyUp',
            RawKeyDown = 'rawKeyDown',
            Char = 'char',
        }

        export interface DispatchKeyEventRequest {
            /**
             * Type of the key event. (DispatchKeyEventRequestType enum)
             */
            type: ('keyDown' | 'keyUp' | 'rawKeyDown' | 'char');
            /**
             * Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8
             * (default: 0).
             */
            modifiers?: integer;
            /**
             * Time at which the event occurred.
             */
            timestamp?: TimeSinceEpoch;
            /**
             * Text as generated by processing a virtual key code with a keyboard layout. Not needed for
             * for `keyUp` and `rawKeyDown` events (default: "")
             */
            text?: string;
            /**
             * Text that would have been generated by the keyboard if no modifiers were pressed (except for
             * shift). Useful for shortcut (accelerator) key handling (default: "").
             */
            unmodifiedText?: string;
            /**
             * Unique key identifier (e.g., 'U+0041') (default: "").
             */
            keyIdentifier?: string;
            /**
             * Unique DOM defined string value for each physical key (e.g., 'KeyA') (default: "").
             */
            code?: string;
            /**
             * Unique DOM defined string value describing the meaning of the key in the context of active
             * modifiers, keyboard layout, etc (e.g., 'AltGr') (default: "").
             */
            key?: string;
            /**
             * Windows virtual key code (default: 0).
             */
            windowsVirtualKeyCode?: integer;
            /**
             * Native virtual key code (default: 0).
             */
            nativeVirtualKeyCode?: integer;
            /**
             * Whether the event was generated from auto repeat (default: false).
             */
            autoRepeat?: boolean;
            /**
             * Whether the event was generated from the keypad (default: false).
             */
            isKeypad?: boolean;
            /**
             * Whether the event was a system key event (default: false).
             */
            isSystemKey?: boolean;
            /**
             * Whether the event was from the left or right side of the keyboard. 1=Left, 2=Right (default:
             * 0).
             */
            location?: integer;
            /**
             * Editing commands to send with the key event (e.g., 'selectAll') (default: []).
             * These are related to but not equal the command names used in `document.execCommand` and NSStandardKeyBindingResponding.
             * See https://source.chromium.org/chromium/chromium/src/+/master:third_party/blink/renderer/core/editing/commands/editor_command_names.h for valid command names.
             */
            commands?: string[];
        }

        export interface InsertTextRequest {
            /**
             * The text to insert.
             */
            text: string;
        }

        export const enum DispatchMouseEventRequestType {
            MousePressed = 'mousePressed',
            MouseReleased = 'mouseReleased',
            MouseMoved = 'mouseMoved',
            MouseWheel = 'mouseWheel',
        }

        export const enum DispatchMouseEventRequestPointerType {
            Mouse = 'mouse',
            Pen = 'pen',
        }

        export interface DispatchMouseEventRequest {
            /**
             * Type of the mouse event. (DispatchMouseEventRequestType enum)
             */
            type: ('mousePressed' | 'mouseReleased' | 'mouseMoved' | 'mouseWheel');
            /**
             * X coordinate of the event relative to the main frame's viewport in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the event relative to the main frame's viewport in CSS pixels. 0 refers to
             * the top of the viewport and Y increases as it proceeds towards the bottom of the viewport.
             */
            y: number;
            /**
             * Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8
             * (default: 0).
             */
            modifiers?: integer;
            /**
             * Time at which the event occurred.
             */
            timestamp?: TimeSinceEpoch;
            /**
             * Mouse button (default: "none").
             */
            button?: MouseButton;
            /**
             * A number indicating which buttons are pressed on the mouse when a mouse event is triggered.
             * Left=1, Right=2, Middle=4, Back=8, Forward=16, None=0.
             */
            buttons?: integer;
            /**
             * Number of times the mouse button was clicked (default: 0).
             */
            clickCount?: integer;
            /**
             * X delta in CSS pixels for mouse wheel event (default: 0).
             */
            deltaX?: number;
            /**
             * Y delta in CSS pixels for mouse wheel event (default: 0).
             */
            deltaY?: number;
            /**
             * Pointer type (default: "mouse"). (DispatchMouseEventRequestPointerType enum)
             */
            pointerType?: ('mouse' | 'pen');
        }

        export const enum DispatchTouchEventRequestType {
            TouchStart = 'touchStart',
            TouchEnd = 'touchEnd',
            TouchMove = 'touchMove',
            TouchCancel = 'touchCancel',
        }

        export interface DispatchTouchEventRequest {
            /**
             * Type of the touch event. TouchEnd and TouchCancel must not contain any touch points, while
             * TouchStart and TouchMove must contains at least one. (DispatchTouchEventRequestType enum)
             */
            type: ('touchStart' | 'touchEnd' | 'touchMove' | 'touchCancel');
            /**
             * Active touch points on the touch device. One event per any changed point (compared to
             * previous touch event in a sequence) is generated, emulating pressing/moving/releasing points
             * one by one.
             */
            touchPoints: TouchPoint[];
            /**
             * Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8
             * (default: 0).
             */
            modifiers?: integer;
            /**
             * Time at which the event occurred.
             */
            timestamp?: TimeSinceEpoch;
        }

        export const enum EmulateTouchFromMouseEventRequestType {
            MousePressed = 'mousePressed',
            MouseReleased = 'mouseReleased',
            MouseMoved = 'mouseMoved',
            MouseWheel = 'mouseWheel',
        }

        export interface EmulateTouchFromMouseEventRequest {
            /**
             * Type of the mouse event. (EmulateTouchFromMouseEventRequestType enum)
             */
            type: ('mousePressed' | 'mouseReleased' | 'mouseMoved' | 'mouseWheel');
            /**
             * X coordinate of the mouse pointer in DIP.
             */
            x: integer;
            /**
             * Y coordinate of the mouse pointer in DIP.
             */
            y: integer;
            /**
             * Mouse button. Only "none", "left", "right" are supported.
             */
            button: MouseButton;
            /**
             * Time at which the event occurred (default: current time).
             */
            timestamp?: TimeSinceEpoch;
            /**
             * X delta in DIP for mouse wheel event (default: 0).
             */
            deltaX?: number;
            /**
             * Y delta in DIP for mouse wheel event (default: 0).
             */
            deltaY?: number;
            /**
             * Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8
             * (default: 0).
             */
            modifiers?: integer;
            /**
             * Number of times the mouse button was clicked (default: 0).
             */
            clickCount?: integer;
        }

        export interface SetIgnoreInputEventsRequest {
            /**
             * Ignores input events processing when set to true.
             */
            ignore: boolean;
        }

        export interface SynthesizePinchGestureRequest {
            /**
             * X coordinate of the start of the gesture in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the start of the gesture in CSS pixels.
             */
            y: number;
            /**
             * Relative scale factor after zooming (>1.0 zooms in, <1.0 zooms out).
             */
            scaleFactor: number;
            /**
             * Relative pointer speed in pixels per second (default: 800).
             */
            relativeSpeed?: integer;
            /**
             * Which type of input events to be generated (default: 'default', which queries the platform
             * for the preferred input type).
             */
            gestureSourceType?: GestureSourceType;
        }

        export interface SynthesizeScrollGestureRequest {
            /**
             * X coordinate of the start of the gesture in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the start of the gesture in CSS pixels.
             */
            y: number;
            /**
             * The distance to scroll along the X axis (positive to scroll left).
             */
            xDistance?: number;
            /**
             * The distance to scroll along the Y axis (positive to scroll up).
             */
            yDistance?: number;
            /**
             * The number of additional pixels to scroll back along the X axis, in addition to the given
             * distance.
             */
            xOverscroll?: number;
            /**
             * The number of additional pixels to scroll back along the Y axis, in addition to the given
             * distance.
             */
            yOverscroll?: number;
            /**
             * Prevent fling (default: true).
             */
            preventFling?: boolean;
            /**
             * Swipe speed in pixels per second (default: 800).
             */
            speed?: integer;
            /**
             * Which type of input events to be generated (default: 'default', which queries the platform
             * for the preferred input type).
             */
            gestureSourceType?: GestureSourceType;
            /**
             * The number of times to repeat the gesture (default: 0).
             */
            repeatCount?: integer;
            /**
             * The number of milliseconds delay between each repeat. (default: 250).
             */
            repeatDelayMs?: integer;
            /**
             * The name of the interaction markers to generate, if not empty (default: "").
             */
            interactionMarkerName?: string;
        }

        export interface SynthesizeTapGestureRequest {
            /**
             * X coordinate of the start of the gesture in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the start of the gesture in CSS pixels.
             */
            y: number;
            /**
             * Duration between touchdown and touchup events in ms (default: 50).
             */
            duration?: integer;
            /**
             * Number of times to perform the tap (e.g. 2 for double tap, default: 1).
             */
            tapCount?: integer;
            /**
             * Which type of input events to be generated (default: 'default', which queries the platform
             * for the preferred input type).
             */
            gestureSourceType?: GestureSourceType;
        }
    }

    export namespace Inspector {

        /**
         * Fired when remote debugging connection is about to be terminated. Contains detach reason.
         */
        export interface DetachedEvent {
            /**
             * The reason why connection has been terminated.
             */
            reason: string;
        }
    }

    export namespace LayerTree {

        /**
         * Unique Layer identifier.
         */
        export type LayerId = string;

        /**
         * Unique snapshot identifier.
         */
        export type SnapshotId = string;

        export const enum ScrollRectType {
            RepaintsOnScroll = 'RepaintsOnScroll',
            TouchEventHandler = 'TouchEventHandler',
            WheelEventHandler = 'WheelEventHandler',
        }

        /**
         * Rectangle where scrolling happens on the main thread.
         */
        export interface ScrollRect {
            /**
             * Rectangle itself.
             */
            rect: DOM.Rect;
            /**
             * Reason for rectangle to force scrolling on the main thread (ScrollRectType enum)
             */
            type: ('RepaintsOnScroll' | 'TouchEventHandler' | 'WheelEventHandler');
        }

        /**
         * Sticky position constraints.
         */
        export interface StickyPositionConstraint {
            /**
             * Layout rectangle of the sticky element before being shifted
             */
            stickyBoxRect: DOM.Rect;
            /**
             * Layout rectangle of the containing block of the sticky element
             */
            containingBlockRect: DOM.Rect;
            /**
             * The nearest sticky layer that shifts the sticky box
             */
            nearestLayerShiftingStickyBox?: LayerId;
            /**
             * The nearest sticky layer that shifts the containing block
             */
            nearestLayerShiftingContainingBlock?: LayerId;
        }

        /**
         * Serialized fragment of layer picture along with its offset within the layer.
         */
        export interface PictureTile {
            /**
             * Offset from owning layer left boundary
             */
            x: number;
            /**
             * Offset from owning layer top boundary
             */
            y: number;
            /**
             * Base64-encoded snapshot data.
             */
            picture: string;
        }

        /**
         * Information about a compositing layer.
         */
        export interface Layer {
            /**
             * The unique id for this layer.
             */
            layerId: LayerId;
            /**
             * The id of parent (not present for root).
             */
            parentLayerId?: LayerId;
            /**
             * The backend id for the node associated with this layer.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * Offset from parent layer, X coordinate.
             */
            offsetX: number;
            /**
             * Offset from parent layer, Y coordinate.
             */
            offsetY: number;
            /**
             * Layer width.
             */
            width: number;
            /**
             * Layer height.
             */
            height: number;
            /**
             * Transformation matrix for layer, default is identity matrix
             */
            transform?: number[];
            /**
             * Transform anchor point X, absent if no transform specified
             */
            anchorX?: number;
            /**
             * Transform anchor point Y, absent if no transform specified
             */
            anchorY?: number;
            /**
             * Transform anchor point Z, absent if no transform specified
             */
            anchorZ?: number;
            /**
             * Indicates how many time this layer has painted.
             */
            paintCount: integer;
            /**
             * Indicates whether this layer hosts any content, rather than being used for
             * transform/scrolling purposes only.
             */
            drawsContent: boolean;
            /**
             * Set if layer is not visible.
             */
            invisible?: boolean;
            /**
             * Rectangles scrolling on main thread only.
             */
            scrollRects?: ScrollRect[];
            /**
             * Sticky position constraint information
             */
            stickyPositionConstraint?: StickyPositionConstraint;
        }

        /**
         * Array of timings, one per paint step.
         */
        export type PaintProfile = number[];

        export interface CompositingReasonsRequest {
            /**
             * The id of the layer for which we want to get the reasons it was composited.
             */
            layerId: LayerId;
        }

        export interface CompositingReasonsResponse {
            /**
             * A list of strings specifying reasons for the given layer to become composited.
             */
            compositingReasons: string[];
            /**
             * A list of strings specifying reason IDs for the given layer to become composited.
             */
            compositingReasonIds: string[];
        }

        export interface LoadSnapshotRequest {
            /**
             * An array of tiles composing the snapshot.
             */
            tiles: PictureTile[];
        }

        export interface LoadSnapshotResponse {
            /**
             * The id of the snapshot.
             */
            snapshotId: SnapshotId;
        }

        export interface MakeSnapshotRequest {
            /**
             * The id of the layer.
             */
            layerId: LayerId;
        }

        export interface MakeSnapshotResponse {
            /**
             * The id of the layer snapshot.
             */
            snapshotId: SnapshotId;
        }

        export interface ProfileSnapshotRequest {
            /**
             * The id of the layer snapshot.
             */
            snapshotId: SnapshotId;
            /**
             * The maximum number of times to replay the snapshot (1, if not specified).
             */
            minRepeatCount?: integer;
            /**
             * The minimum duration (in seconds) to replay the snapshot.
             */
            minDuration?: number;
            /**
             * The clip rectangle to apply when replaying the snapshot.
             */
            clipRect?: DOM.Rect;
        }

        export interface ProfileSnapshotResponse {
            /**
             * The array of paint profiles, one per run.
             */
            timings: PaintProfile[];
        }

        export interface ReleaseSnapshotRequest {
            /**
             * The id of the layer snapshot.
             */
            snapshotId: SnapshotId;
        }

        export interface ReplaySnapshotRequest {
            /**
             * The id of the layer snapshot.
             */
            snapshotId: SnapshotId;
            /**
             * The first step to replay from (replay from the very start if not specified).
             */
            fromStep?: integer;
            /**
             * The last step to replay to (replay till the end if not specified).
             */
            toStep?: integer;
            /**
             * The scale to apply while replaying (defaults to 1).
             */
            scale?: number;
        }

        export interface ReplaySnapshotResponse {
            /**
             * A data: URL for resulting image.
             */
            dataURL: string;
        }

        export interface SnapshotCommandLogRequest {
            /**
             * The id of the layer snapshot.
             */
            snapshotId: SnapshotId;
        }

        export interface SnapshotCommandLogResponse {
            /**
             * The array of canvas function calls.
             */
            commandLog: any[];
        }

        export interface LayerPaintedEvent {
            /**
             * The id of the painted layer.
             */
            layerId: LayerId;
            /**
             * Clip rectangle.
             */
            clip: DOM.Rect;
        }

        export interface LayerTreeDidChangeEvent {
            /**
             * Layer tree, absent if not in the comspositing mode.
             */
            layers?: Layer[];
        }
    }

    /**
     * Provides access to log entries.
     */
    export namespace Log {

        export const enum LogEntrySource {
            XML = 'xml',
            Javascript = 'javascript',
            Network = 'network',
            Storage = 'storage',
            Appcache = 'appcache',
            Rendering = 'rendering',
            Security = 'security',
            Deprecation = 'deprecation',
            Worker = 'worker',
            Violation = 'violation',
            Intervention = 'intervention',
            Recommendation = 'recommendation',
            Other = 'other',
        }

        export const enum LogEntryLevel {
            Verbose = 'verbose',
            Info = 'info',
            Warning = 'warning',
            Error = 'error',
        }

        /**
         * Log entry.
         */
        export interface LogEntry {
            /**
             * Log entry source. (LogEntrySource enum)
             */
            source: ('xml' | 'javascript' | 'network' | 'storage' | 'appcache' | 'rendering' | 'security' | 'deprecation' | 'worker' | 'violation' | 'intervention' | 'recommendation' | 'other');
            /**
             * Log entry severity. (LogEntryLevel enum)
             */
            level: ('verbose' | 'info' | 'warning' | 'error');
            /**
             * Logged text.
             */
            text: string;
            /**
             * Timestamp when this entry was added.
             */
            timestamp: Runtime.Timestamp;
            /**
             * URL of the resource if known.
             */
            url?: string;
            /**
             * Line number in the resource.
             */
            lineNumber?: integer;
            /**
             * JavaScript stack trace.
             */
            stackTrace?: Runtime.StackTrace;
            /**
             * Identifier of the network request associated with this entry.
             */
            networkRequestId?: Network.RequestId;
            /**
             * Identifier of the worker associated with this entry.
             */
            workerId?: string;
            /**
             * Call arguments.
             */
            args?: Runtime.RemoteObject[];
        }

        export const enum ViolationSettingName {
            LongTask = 'longTask',
            LongLayout = 'longLayout',
            BlockedEvent = 'blockedEvent',
            BlockedParser = 'blockedParser',
            DiscouragedAPIUse = 'discouragedAPIUse',
            Handler = 'handler',
            RecurringHandler = 'recurringHandler',
        }

        /**
         * Violation configuration setting.
         */
        export interface ViolationSetting {
            /**
             * Violation type. (ViolationSettingName enum)
             */
            name: ('longTask' | 'longLayout' | 'blockedEvent' | 'blockedParser' | 'discouragedAPIUse' | 'handler' | 'recurringHandler');
            /**
             * Time threshold to trigger upon.
             */
            threshold: number;
        }

        export interface StartViolationsReportRequest {
            /**
             * Configuration for violations.
             */
            config: ViolationSetting[];
        }

        /**
         * Issued when new message was logged.
         */
        export interface EntryAddedEvent {
            /**
             * The entry.
             */
            entry: LogEntry;
        }
    }

    export namespace Memory {

        /**
         * Memory pressure level.
         */
        export type PressureLevel = ('moderate' | 'critical');

        /**
         * Heap profile sample.
         */
        export interface SamplingProfileNode {
            /**
             * Size of the sampled allocation.
             */
            size: number;
            /**
             * Total bytes attributed to this sample.
             */
            total: number;
            /**
             * Execution stack at the point of allocation.
             */
            stack: string[];
        }

        /**
         * Array of heap profile samples.
         */
        export interface SamplingProfile {
            samples: SamplingProfileNode[];
            modules: Module[];
        }

        /**
         * Executable module information
         */
        export interface Module {
            /**
             * Name of the module.
             */
            name: string;
            /**
             * UUID of the module.
             */
            uuid: string;
            /**
             * Base address where the module is loaded into memory. Encoded as a decimal
             * or hexadecimal (0x prefixed) string.
             */
            baseAddress: string;
            /**
             * Size of the module in bytes.
             */
            size: number;
        }

        export interface GetDOMCountersResponse {
            documents: integer;
            nodes: integer;
            jsEventListeners: integer;
        }

        export interface SetPressureNotificationsSuppressedRequest {
            /**
             * If true, memory pressure notifications will be suppressed.
             */
            suppressed: boolean;
        }

        export interface SimulatePressureNotificationRequest {
            /**
             * Memory pressure level of the notification.
             */
            level: PressureLevel;
        }

        export interface StartSamplingRequest {
            /**
             * Average number of bytes between samples.
             */
            samplingInterval?: integer;
            /**
             * Do not randomize intervals between samples.
             */
            suppressRandomness?: boolean;
        }

        export interface GetAllTimeSamplingProfileResponse {
            profile: SamplingProfile;
        }

        export interface GetBrowserSamplingProfileResponse {
            profile: SamplingProfile;
        }

        export interface GetSamplingProfileResponse {
            profile: SamplingProfile;
        }
    }

    /**
     * Network domain allows tracking network activities of the page. It exposes information about http,
     * file, data and other requests and responses, their headers, bodies, timing, etc.
     */
    export namespace Network {

        /**
         * Resource type as it was perceived by the rendering engine.
         */
        export type ResourceType = ('Document' | 'Stylesheet' | 'Image' | 'Media' | 'Font' | 'Script' | 'TextTrack' | 'XHR' | 'Fetch' | 'EventSource' | 'WebSocket' | 'Manifest' | 'SignedExchange' | 'Ping' | 'CSPViolationReport' | 'Other');

        /**
         * Unique loader identifier.
         */
        export type LoaderId = string;

        /**
         * Unique request identifier.
         */
        export type RequestId = string;

        /**
         * Unique intercepted request identifier.
         */
        export type InterceptionId = string;

        /**
         * Network level fetch failure reason.
         */
        export type ErrorReason = ('Failed' | 'Aborted' | 'TimedOut' | 'AccessDenied' | 'ConnectionClosed' | 'ConnectionReset' | 'ConnectionRefused' | 'ConnectionAborted' | 'ConnectionFailed' | 'NameNotResolved' | 'InternetDisconnected' | 'AddressUnreachable' | 'BlockedByClient' | 'BlockedByResponse');

        /**
         * UTC time in seconds, counted from January 1, 1970.
         */
        export type TimeSinceEpoch = number;

        /**
         * Monotonically increasing time in seconds since an arbitrary point in the past.
         */
        export type MonotonicTime = number;

        /**
         * Request / response headers as keys / values of JSON object.
         */
        export interface Headers {
            [key: string]: string;
        }

        /**
         * The underlying connection technology that the browser is supposedly using.
         */
        export type ConnectionType = ('none' | 'cellular2g' | 'cellular3g' | 'cellular4g' | 'bluetooth' | 'ethernet' | 'wifi' | 'wimax' | 'other');

        /**
         * Represents the cookie's 'SameSite' status:
         * https://tools.ietf.org/html/draft-west-first-party-cookies
         */
        export type CookieSameSite = ('Strict' | 'Lax' | 'None');

        /**
         * Represents the cookie's 'Priority' status:
         * https://tools.ietf.org/html/draft-west-cookie-priority-00
         */
        export type CookiePriority = ('Low' | 'Medium' | 'High');

        /**
         * Timing information for the request.
         */
        export interface ResourceTiming {
            /**
             * Timing's requestTime is a baseline in seconds, while the other numbers are ticks in
             * milliseconds relatively to this requestTime.
             */
            requestTime: number;
            /**
             * Started resolving proxy.
             */
            proxyStart: number;
            /**
             * Finished resolving proxy.
             */
            proxyEnd: number;
            /**
             * Started DNS address resolve.
             */
            dnsStart: number;
            /**
             * Finished DNS address resolve.
             */
            dnsEnd: number;
            /**
             * Started connecting to the remote host.
             */
            connectStart: number;
            /**
             * Connected to the remote host.
             */
            connectEnd: number;
            /**
             * Started SSL handshake.
             */
            sslStart: number;
            /**
             * Finished SSL handshake.
             */
            sslEnd: number;
            /**
             * Started running ServiceWorker.
             */
            workerStart: number;
            /**
             * Finished Starting ServiceWorker.
             */
            workerReady: number;
            /**
             * Started fetch event.
             */
            workerFetchStart: number;
            /**
             * Settled fetch event respondWith promise.
             */
            workerRespondWithSettled: number;
            /**
             * Started sending request.
             */
            sendStart: number;
            /**
             * Finished sending request.
             */
            sendEnd: number;
            /**
             * Time the server started pushing request.
             */
            pushStart: number;
            /**
             * Time the server finished pushing request.
             */
            pushEnd: number;
            /**
             * Finished receiving response headers.
             */
            receiveHeadersEnd: number;
        }

        /**
         * Loading priority of a resource request.
         */
        export type ResourcePriority = ('VeryLow' | 'Low' | 'Medium' | 'High' | 'VeryHigh');

        /**
         * Post data entry for HTTP request
         */
        export interface PostDataEntry {
            bytes?: string;
        }

        export const enum RequestReferrerPolicy {
            UnsafeUrl = 'unsafe-url',
            NoReferrerWhenDowngrade = 'no-referrer-when-downgrade',
            NoReferrer = 'no-referrer',
            Origin = 'origin',
            OriginWhenCrossOrigin = 'origin-when-cross-origin',
            SameOrigin = 'same-origin',
            StrictOrigin = 'strict-origin',
            StrictOriginWhenCrossOrigin = 'strict-origin-when-cross-origin',
        }

        /**
         * HTTP request data.
         */
        export interface Request {
            /**
             * Request URL (without fragment).
             */
            url: string;
            /**
             * Fragment of the requested URL starting with hash, if present.
             */
            urlFragment?: string;
            /**
             * HTTP request method.
             */
            method: string;
            /**
             * HTTP request headers.
             */
            headers: Headers;
            /**
             * HTTP POST request data.
             */
            postData?: string;
            /**
             * True when the request has POST data. Note that postData might still be omitted when this flag is true when the data is too long.
             */
            hasPostData?: boolean;
            /**
             * Request body elements. This will be converted from base64 to binary
             */
            postDataEntries?: PostDataEntry[];
            /**
             * The mixed content type of the request.
             */
            mixedContentType?: Security.MixedContentType;
            /**
             * Priority of the resource request at the time request is sent.
             */
            initialPriority: ResourcePriority;
            /**
             * The referrer policy of the request, as defined in https://www.w3.org/TR/referrer-policy/ (RequestReferrerPolicy enum)
             */
            referrerPolicy: ('unsafe-url' | 'no-referrer-when-downgrade' | 'no-referrer' | 'origin' | 'origin-when-cross-origin' | 'same-origin' | 'strict-origin' | 'strict-origin-when-cross-origin');
            /**
             * Whether is loaded via link preload.
             */
            isLinkPreload?: boolean;
        }

        /**
         * Details of a signed certificate timestamp (SCT).
         */
        export interface SignedCertificateTimestamp {
            /**
             * Validation status.
             */
            status: string;
            /**
             * Origin.
             */
            origin: string;
            /**
             * Log name / description.
             */
            logDescription: string;
            /**
             * Log ID.
             */
            logId: string;
            /**
             * Issuance date.
             */
            timestamp: TimeSinceEpoch;
            /**
             * Hash algorithm.
             */
            hashAlgorithm: string;
            /**
             * Signature algorithm.
             */
            signatureAlgorithm: string;
            /**
             * Signature data.
             */
            signatureData: string;
        }

        /**
         * Security details about a request.
         */
        export interface SecurityDetails {
            /**
             * Protocol name (e.g. "TLS 1.2" or "QUIC").
             */
            protocol: string;
            /**
             * Key Exchange used by the connection, or the empty string if not applicable.
             */
            keyExchange: string;
            /**
             * (EC)DH group used by the connection, if applicable.
             */
            keyExchangeGroup?: string;
            /**
             * Cipher name.
             */
            cipher: string;
            /**
             * TLS MAC. Note that AEAD ciphers do not have separate MACs.
             */
            mac?: string;
            /**
             * Certificate ID value.
             */
            certificateId: Security.CertificateId;
            /**
             * Certificate subject name.
             */
            subjectName: string;
            /**
             * Subject Alternative Name (SAN) DNS names and IP addresses.
             */
            sanList: string[];
            /**
             * Name of the issuing CA.
             */
            issuer: string;
            /**
             * Certificate valid from date.
             */
            validFrom: TimeSinceEpoch;
            /**
             * Certificate valid to (expiration) date
             */
            validTo: TimeSinceEpoch;
            /**
             * List of signed certificate timestamps (SCTs).
             */
            signedCertificateTimestampList: SignedCertificateTimestamp[];
            /**
             * Whether the request complied with Certificate Transparency policy
             */
            certificateTransparencyCompliance: CertificateTransparencyCompliance;
        }

        /**
         * Whether the request complied with Certificate Transparency policy.
         */
        export type CertificateTransparencyCompliance = ('unknown' | 'not-compliant' | 'compliant');

        /**
         * The reason why request was blocked.
         */
        export type BlockedReason = ('other' | 'csp' | 'mixed-content' | 'origin' | 'inspector' | 'subresource-filter' | 'content-type' | 'collapsed-by-client' | 'coep-frame-resource-needs-coep-header' | 'coop-sandboxed-iframe-cannot-navigate-to-coop-page' | 'corp-not-same-origin' | 'corp-not-same-origin-after-defaulted-to-same-origin-by-coep' | 'corp-not-same-site');

        /**
         * Source of serviceworker response.
         */
        export type ServiceWorkerResponseSource = ('cache-storage' | 'http-cache' | 'fallback-code' | 'network');

        /**
         * HTTP response data.
         */
        export interface Response {
            /**
             * Response URL. This URL can be different from CachedResource.url in case of redirect.
             */
            url: string;
            /**
             * HTTP response status code.
             */
            status: integer;
            /**
             * HTTP response status text.
             */
            statusText: string;
            /**
             * HTTP response headers.
             */
            headers: Headers;
            /**
             * HTTP response headers text.
             */
            headersText?: string;
            /**
             * Resource mimeType as determined by the browser.
             */
            mimeType: string;
            /**
             * Refined HTTP request headers that were actually transmitted over the network.
             */
            requestHeaders?: Headers;
            /**
             * HTTP request headers text.
             */
            requestHeadersText?: string;
            /**
             * Specifies whether physical connection was actually reused for this request.
             */
            connectionReused: boolean;
            /**
             * Physical connection id that was actually used for this request.
             */
            connectionId: number;
            /**
             * Remote IP address.
             */
            remoteIPAddress?: string;
            /**
             * Remote port.
             */
            remotePort?: integer;
            /**
             * Specifies that the request was served from the disk cache.
             */
            fromDiskCache?: boolean;
            /**
             * Specifies that the request was served from the ServiceWorker.
             */
            fromServiceWorker?: boolean;
            /**
             * Specifies that the request was served from the prefetch cache.
             */
            fromPrefetchCache?: boolean;
            /**
             * Total number of bytes received for this request so far.
             */
            encodedDataLength: number;
            /**
             * Timing information for the given request.
             */
            timing?: ResourceTiming;
            /**
             * Response source of response from ServiceWorker.
             */
            serviceWorkerResponseSource?: ServiceWorkerResponseSource;
            /**
             * The time at which the returned response was generated.
             */
            responseTime?: TimeSinceEpoch;
            /**
             * Cache Storage Cache Name.
             */
            cacheStorageCacheName?: string;
            /**
             * Protocol used to fetch this request.
             */
            protocol?: string;
            /**
             * Security state of the request resource.
             */
            securityState: Security.SecurityState;
            /**
             * Security details for the request.
             */
            securityDetails?: SecurityDetails;
        }

        /**
         * WebSocket request data.
         */
        export interface WebSocketRequest {
            /**
             * HTTP request headers.
             */
            headers: Headers;
        }

        /**
         * WebSocket response data.
         */
        export interface WebSocketResponse {
            /**
             * HTTP response status code.
             */
            status: integer;
            /**
             * HTTP response status text.
             */
            statusText: string;
            /**
             * HTTP response headers.
             */
            headers: Headers;
            /**
             * HTTP response headers text.
             */
            headersText?: string;
            /**
             * HTTP request headers.
             */
            requestHeaders?: Headers;
            /**
             * HTTP request headers text.
             */
            requestHeadersText?: string;
        }

        /**
         * WebSocket message data. This represents an entire WebSocket message, not just a fragmented frame as the name suggests.
         */
        export interface WebSocketFrame {
            /**
             * WebSocket message opcode.
             */
            opcode: number;
            /**
             * WebSocket message mask.
             */
            mask: boolean;
            /**
             * WebSocket message payload data.
             * If the opcode is 1, this is a text message and payloadData is a UTF-8 string.
             * If the opcode isn't 1, then payloadData is a base64 encoded string representing binary data.
             */
            payloadData: string;
        }

        /**
         * Information about the cached resource.
         */
        export interface CachedResource {
            /**
             * Resource URL. This is the url of the original network request.
             */
            url: string;
            /**
             * Type of this resource.
             */
            type: ResourceType;
            /**
             * Cached response data.
             */
            response?: Response;
            /**
             * Cached response body size.
             */
            bodySize: number;
        }

        export const enum InitiatorType {
            Parser = 'parser',
            Script = 'script',
            Preload = 'preload',
            SignedExchange = 'SignedExchange',
            Other = 'other',
        }

        /**
         * Information about the request initiator.
         */
        export interface Initiator {
            /**
             * Type of this initiator. (InitiatorType enum)
             */
            type: ('parser' | 'script' | 'preload' | 'SignedExchange' | 'other');
            /**
             * Initiator JavaScript stack trace, set for Script only.
             */
            stack?: Runtime.StackTrace;
            /**
             * Initiator URL, set for Parser type or for Script type (when script is importing module) or for SignedExchange type.
             */
            url?: string;
            /**
             * Initiator line number, set for Parser type or for Script type (when script is importing
             * module) (0-based).
             */
            lineNumber?: number;
        }

        /**
         * Cookie object
         */
        export interface Cookie {
            /**
             * Cookie name.
             */
            name: string;
            /**
             * Cookie value.
             */
            value: string;
            /**
             * Cookie domain.
             */
            domain: string;
            /**
             * Cookie path.
             */
            path: string;
            /**
             * Cookie expiration date as the number of seconds since the UNIX epoch.
             */
            expires: number;
            /**
             * Cookie size.
             */
            size: integer;
            /**
             * True if cookie is http-only.
             */
            httpOnly: boolean;
            /**
             * True if cookie is secure.
             */
            secure: boolean;
            /**
             * True in case of session cookie.
             */
            session: boolean;
            /**
             * Cookie SameSite type.
             */
            sameSite?: CookieSameSite;
            /**
             * Cookie Priority
             */
            priority: CookiePriority;
        }

        /**
         * Types of reasons why a cookie may not be stored from a response.
         */
        export type SetCookieBlockedReason = ('SecureOnly' | 'SameSiteStrict' | 'SameSiteLax' | 'SameSiteUnspecifiedTreatedAsLax' | 'SameSiteNoneInsecure' | 'UserPreferences' | 'SyntaxError' | 'SchemeNotSupported' | 'OverwriteSecure' | 'InvalidDomain' | 'InvalidPrefix' | 'UnknownError');

        /**
         * Types of reasons why a cookie may not be sent with a request.
         */
        export type CookieBlockedReason = ('SecureOnly' | 'NotOnPath' | 'DomainMismatch' | 'SameSiteStrict' | 'SameSiteLax' | 'SameSiteUnspecifiedTreatedAsLax' | 'SameSiteNoneInsecure' | 'UserPreferences' | 'UnknownError');

        /**
         * A cookie which was not stored from a response with the corresponding reason.
         */
        export interface BlockedSetCookieWithReason {
            /**
             * The reason(s) this cookie was blocked.
             */
            blockedReasons: SetCookieBlockedReason[];
            /**
             * The string representing this individual cookie as it would appear in the header.
             * This is not the entire "cookie" or "set-cookie" header which could have multiple cookies.
             */
            cookieLine: string;
            /**
             * The cookie object which represents the cookie which was not stored. It is optional because
             * sometimes complete cookie information is not available, such as in the case of parsing
             * errors.
             */
            cookie?: Cookie;
        }

        /**
         * A cookie with was not sent with a request with the corresponding reason.
         */
        export interface BlockedCookieWithReason {
            /**
             * The reason(s) the cookie was blocked.
             */
            blockedReasons: CookieBlockedReason[];
            /**
             * The cookie object representing the cookie which was not sent.
             */
            cookie: Cookie;
        }

        /**
         * Cookie parameter object
         */
        export interface CookieParam {
            /**
             * Cookie name.
             */
            name: string;
            /**
             * Cookie value.
             */
            value: string;
            /**
             * The request-URI to associate with the setting of the cookie. This value can affect the
             * default domain and path values of the created cookie.
             */
            url?: string;
            /**
             * Cookie domain.
             */
            domain?: string;
            /**
             * Cookie path.
             */
            path?: string;
            /**
             * True if cookie is secure.
             */
            secure?: boolean;
            /**
             * True if cookie is http-only.
             */
            httpOnly?: boolean;
            /**
             * Cookie SameSite type.
             */
            sameSite?: CookieSameSite;
            /**
             * Cookie expiration date, session cookie if not set
             */
            expires?: TimeSinceEpoch;
            /**
             * Cookie Priority.
             */
            priority?: CookiePriority;
        }

        export const enum AuthChallengeSource {
            Server = 'Server',
            Proxy = 'Proxy',
        }

        /**
         * Authorization challenge for HTTP status code 401 or 407.
         */
        export interface AuthChallenge {
            /**
             * Source of the authentication challenge. (AuthChallengeSource enum)
             */
            source?: ('Server' | 'Proxy');
            /**
             * Origin of the challenger.
             */
            origin: string;
            /**
             * The authentication scheme used, such as basic or digest
             */
            scheme: string;
            /**
             * The realm of the challenge. May be empty.
             */
            realm: string;
        }

        export const enum AuthChallengeResponseResponse {
            Default = 'Default',
            CancelAuth = 'CancelAuth',
            ProvideCredentials = 'ProvideCredentials',
        }

        /**
         * Response to an AuthChallenge.
         */
        export interface AuthChallengeResponse {
            /**
             * The decision on what to do in response to the authorization challenge.  Default means
             * deferring to the default behavior of the net stack, which will likely either the Cancel
             * authentication or display a popup dialog box. (AuthChallengeResponseResponse enum)
             */
            response: ('Default' | 'CancelAuth' | 'ProvideCredentials');
            /**
             * The username to provide, possibly empty. Should only be set if response is
             * ProvideCredentials.
             */
            username?: string;
            /**
             * The password to provide, possibly empty. Should only be set if response is
             * ProvideCredentials.
             */
            password?: string;
        }

        /**
         * Stages of the interception to begin intercepting. Request will intercept before the request is
         * sent. Response will intercept after the response is received.
         */
        export type InterceptionStage = ('Request' | 'HeadersReceived');

        /**
         * Request pattern for interception.
         */
        export interface RequestPattern {
            /**
             * Wildcards ('*' -> zero or more, '?' -> exactly one) are allowed. Escape character is
             * backslash. Omitting is equivalent to "*".
             */
            urlPattern?: string;
            /**
             * If set, only requests for matching resource types will be intercepted.
             */
            resourceType?: ResourceType;
            /**
             * Stage at wich to begin intercepting requests. Default is Request.
             */
            interceptionStage?: InterceptionStage;
        }

        /**
         * Information about a signed exchange signature.
         * https://wicg.github.io/webpackage/draft-yasskin-httpbis-origin-signed-exchanges-impl.html#rfc.section.3.1
         */
        export interface SignedExchangeSignature {
            /**
             * Signed exchange signature label.
             */
            label: string;
            /**
             * The hex string of signed exchange signature.
             */
            signature: string;
            /**
             * Signed exchange signature integrity.
             */
            integrity: string;
            /**
             * Signed exchange signature cert Url.
             */
            certUrl?: string;
            /**
             * The hex string of signed exchange signature cert sha256.
             */
            certSha256?: string;
            /**
             * Signed exchange signature validity Url.
             */
            validityUrl: string;
            /**
             * Signed exchange signature date.
             */
            date: integer;
            /**
             * Signed exchange signature expires.
             */
            expires: integer;
            /**
             * The encoded certificates.
             */
            certificates?: string[];
        }

        /**
         * Information about a signed exchange header.
         * https://wicg.github.io/webpackage/draft-yasskin-httpbis-origin-signed-exchanges-impl.html#cbor-representation
         */
        export interface SignedExchangeHeader {
            /**
             * Signed exchange request URL.
             */
            requestUrl: string;
            /**
             * Signed exchange response code.
             */
            responseCode: integer;
            /**
             * Signed exchange response headers.
             */
            responseHeaders: Headers;
            /**
             * Signed exchange response signature.
             */
            signatures: SignedExchangeSignature[];
            /**
             * Signed exchange header integrity hash in the form of "sha256-<base64-hash-value>".
             */
            headerIntegrity: string;
        }

        /**
         * Field type for a signed exchange related error.
         */
        export type SignedExchangeErrorField = ('signatureSig' | 'signatureIntegrity' | 'signatureCertUrl' | 'signatureCertSha256' | 'signatureValidityUrl' | 'signatureTimestamps');

        /**
         * Information about a signed exchange response.
         */
        export interface SignedExchangeError {
            /**
             * Error message.
             */
            message: string;
            /**
             * The index of the signature which caused the error.
             */
            signatureIndex?: integer;
            /**
             * The field which caused the error.
             */
            errorField?: SignedExchangeErrorField;
        }

        /**
         * Information about a signed exchange response.
         */
        export interface SignedExchangeInfo {
            /**
             * The outer response of signed HTTP exchange which was received from network.
             */
            outerResponse: Response;
            /**
             * Information about the signed exchange header.
             */
            header?: SignedExchangeHeader;
            /**
             * Security details for the signed exchange header.
             */
            securityDetails?: SecurityDetails;
            /**
             * Errors occurred while handling the signed exchagne.
             */
            errors?: SignedExchangeError[];
        }

        export type CrossOriginOpenerPolicyValue = ('SameOrigin' | 'SameOriginAllowPopups' | 'UnsafeNone' | 'SameOriginPlusCoep');

        export interface CrossOriginOpenerPolicyStatus {
            value: CrossOriginOpenerPolicyValue;
        }

        export type CrossOriginEmbedderPolicyValue = ('None' | 'RequireCorp');

        export interface CrossOriginEmbedderPolicyStatus {
            value: CrossOriginEmbedderPolicyValue;
        }

        export interface SecurityIsolationStatus {
            coop: CrossOriginOpenerPolicyStatus;
            coep: CrossOriginEmbedderPolicyStatus;
        }

        export interface CanClearBrowserCacheResponse {
            /**
             * True if browser cache can be cleared.
             */
            result: boolean;
        }

        export interface CanClearBrowserCookiesResponse {
            /**
             * True if browser cookies can be cleared.
             */
            result: boolean;
        }

        export interface CanEmulateNetworkConditionsResponse {
            /**
             * True if emulation of network conditions is supported.
             */
            result: boolean;
        }

        export interface ContinueInterceptedRequestRequest {
            interceptionId: InterceptionId;
            /**
             * If set this causes the request to fail with the given reason. Passing `Aborted` for requests
             * marked with `isNavigationRequest` also cancels the navigation. Must not be set in response
             * to an authChallenge.
             */
            errorReason?: ErrorReason;
            /**
             * If set the requests completes using with the provided base64 encoded raw response, including
             * HTTP status line and headers etc... Must not be set in response to an authChallenge.
             */
            rawResponse?: string;
            /**
             * If set the request url will be modified in a way that's not observable by page. Must not be
             * set in response to an authChallenge.
             */
            url?: string;
            /**
             * If set this allows the request method to be overridden. Must not be set in response to an
             * authChallenge.
             */
            method?: string;
            /**
             * If set this allows postData to be set. Must not be set in response to an authChallenge.
             */
            postData?: string;
            /**
             * If set this allows the request headers to be changed. Must not be set in response to an
             * authChallenge.
             */
            headers?: Headers;
            /**
             * Response to a requestIntercepted with an authChallenge. Must not be set otherwise.
             */
            authChallengeResponse?: AuthChallengeResponse;
        }

        export interface DeleteCookiesRequest {
            /**
             * Name of the cookies to remove.
             */
            name: string;
            /**
             * If specified, deletes all the cookies with the given name where domain and path match
             * provided URL.
             */
            url?: string;
            /**
             * If specified, deletes only cookies with the exact domain.
             */
            domain?: string;
            /**
             * If specified, deletes only cookies with the exact path.
             */
            path?: string;
        }

        export interface EmulateNetworkConditionsRequest {
            /**
             * True to emulate internet disconnection.
             */
            offline: boolean;
            /**
             * Minimum latency from request sent to response headers received (ms).
             */
            latency: number;
            /**
             * Maximal aggregated download throughput (bytes/sec). -1 disables download throttling.
             */
            downloadThroughput: number;
            /**
             * Maximal aggregated upload throughput (bytes/sec).  -1 disables upload throttling.
             */
            uploadThroughput: number;
            /**
             * Connection type if known.
             */
            connectionType?: ConnectionType;
        }

        export interface EnableRequest {
            /**
             * Buffer size in bytes to use when preserving network payloads (XHRs, etc).
             */
            maxTotalBufferSize?: integer;
            /**
             * Per-resource buffer size in bytes to use when preserving network payloads (XHRs, etc).
             */
            maxResourceBufferSize?: integer;
            /**
             * Longest post body size (in bytes) that would be included in requestWillBeSent notification
             */
            maxPostDataSize?: integer;
        }

        export interface GetAllCookiesResponse {
            /**
             * Array of cookie objects.
             */
            cookies: Cookie[];
        }

        export interface GetCertificateRequest {
            /**
             * Origin to get certificate for.
             */
            origin: string;
        }

        export interface GetCertificateResponse {
            tableNames: string[];
        }

        export interface GetCookiesRequest {
            /**
             * The list of URLs for which applicable cookies will be fetched.
             * If not specified, it's assumed to be set to the list containing
             * the URLs of the page and all of its subframes.
             */
            urls?: string[];
        }

        export interface GetCookiesResponse {
            /**
             * Array of cookie objects.
             */
            cookies: Cookie[];
        }

        export interface GetResponseBodyRequest {
            /**
             * Identifier of the network request to get content for.
             */
            requestId: RequestId;
        }

        export interface GetResponseBodyResponse {
            /**
             * Response body.
             */
            body: string;
            /**
             * True, if content was sent as base64.
             */
            base64Encoded: boolean;
        }

        export interface GetRequestPostDataRequest {
            /**
             * Identifier of the network request to get content for.
             */
            requestId: RequestId;
        }

        export interface GetRequestPostDataResponse {
            /**
             * Request body string, omitting files from multipart requests
             */
            postData: string;
        }

        export interface GetResponseBodyForInterceptionRequest {
            /**
             * Identifier for the intercepted request to get body for.
             */
            interceptionId: InterceptionId;
        }

        export interface GetResponseBodyForInterceptionResponse {
            /**
             * Response body.
             */
            body: string;
            /**
             * True, if content was sent as base64.
             */
            base64Encoded: boolean;
        }

        export interface TakeResponseBodyForInterceptionAsStreamRequest {
            interceptionId: InterceptionId;
        }

        export interface TakeResponseBodyForInterceptionAsStreamResponse {
            stream: IO.StreamHandle;
        }

        export interface ReplayXHRRequest {
            /**
             * Identifier of XHR to replay.
             */
            requestId: RequestId;
        }

        export interface SearchInResponseBodyRequest {
            /**
             * Identifier of the network response to search.
             */
            requestId: RequestId;
            /**
             * String to search for.
             */
            query: string;
            /**
             * If true, search is case sensitive.
             */
            caseSensitive?: boolean;
            /**
             * If true, treats string parameter as regex.
             */
            isRegex?: boolean;
        }

        export interface SearchInResponseBodyResponse {
            /**
             * List of search matches.
             */
            result: Debugger.SearchMatch[];
        }

        export interface SetBlockedURLsRequest {
            /**
             * URL patterns to block. Wildcards ('*') are allowed.
             */
            urls: string[];
        }

        export interface SetBypassServiceWorkerRequest {
            /**
             * Bypass service worker and load from network.
             */
            bypass: boolean;
        }

        export interface SetCacheDisabledRequest {
            /**
             * Cache disabled state.
             */
            cacheDisabled: boolean;
        }

        export interface SetCookieRequest {
            /**
             * Cookie name.
             */
            name: string;
            /**
             * Cookie value.
             */
            value: string;
            /**
             * The request-URI to associate with the setting of the cookie. This value can affect the
             * default domain and path values of the created cookie.
             */
            url?: string;
            /**
             * Cookie domain.
             */
            domain?: string;
            /**
             * Cookie path.
             */
            path?: string;
            /**
             * True if cookie is secure.
             */
            secure?: boolean;
            /**
             * True if cookie is http-only.
             */
            httpOnly?: boolean;
            /**
             * Cookie SameSite type.
             */
            sameSite?: CookieSameSite;
            /**
             * Cookie expiration date, session cookie if not set
             */
            expires?: TimeSinceEpoch;
            /**
             * Cookie Priority type.
             */
            priority?: CookiePriority;
        }

        export interface SetCookieResponse {
            /**
             * True if successfully set cookie.
             */
            success: boolean;
        }

        export interface SetCookiesRequest {
            /**
             * Cookies to be set.
             */
            cookies: CookieParam[];
        }

        export interface SetDataSizeLimitsForTestRequest {
            /**
             * Maximum total buffer size.
             */
            maxTotalSize: integer;
            /**
             * Maximum per-resource size.
             */
            maxResourceSize: integer;
        }

        export interface SetExtraHTTPHeadersRequest {
            /**
             * Map with extra HTTP headers.
             */
            headers: Headers;
        }

        export interface SetRequestInterceptionRequest {
            /**
             * Requests matching any of these patterns will be forwarded and wait for the corresponding
             * continueInterceptedRequest call.
             */
            patterns: RequestPattern[];
        }

        export interface SetUserAgentOverrideRequest {
            /**
             * User agent to use.
             */
            userAgent: string;
            /**
             * Browser langugage to emulate.
             */
            acceptLanguage?: string;
            /**
             * The platform navigator.platform should return.
             */
            platform?: string;
            /**
             * To be sent in Sec-CH-UA-* headers and returned in navigator.userAgentData
             */
            userAgentMetadata?: Emulation.UserAgentMetadata;
        }

        export interface GetSecurityIsolationStatusRequest {
            /**
             * If no frameId is provided, the status of the target is provided.
             */
            frameId?: Page.FrameId;
        }

        export interface GetSecurityIsolationStatusResponse {
            status: SecurityIsolationStatus;
        }

        /**
         * Fired when data chunk was received over the network.
         */
        export interface DataReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Data chunk length.
             */
            dataLength: integer;
            /**
             * Actual bytes received (might be less than dataLength for compressed encodings).
             */
            encodedDataLength: integer;
        }

        /**
         * Fired when EventSource message is received.
         */
        export interface EventSourceMessageReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Message type.
             */
            eventName: string;
            /**
             * Message identifier.
             */
            eventId: string;
            /**
             * Message content.
             */
            data: string;
        }

        /**
         * Fired when HTTP request has failed to load.
         */
        export interface LoadingFailedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Resource type.
             */
            type: ResourceType;
            /**
             * User friendly error message.
             */
            errorText: string;
            /**
             * True if loading was canceled.
             */
            canceled?: boolean;
            /**
             * The reason why loading was blocked, if any.
             */
            blockedReason?: BlockedReason;
        }

        /**
         * Fired when HTTP request has finished loading.
         */
        export interface LoadingFinishedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Total number of bytes received for this request.
             */
            encodedDataLength: number;
            /**
             * Set when 1) response was blocked by Cross-Origin Read Blocking and also
             * 2) this needs to be reported to the DevTools console.
             */
            shouldReportCorbBlocking?: boolean;
        }

        /**
         * Details of an intercepted HTTP request, which must be either allowed, blocked, modified or
         * mocked.
         * Deprecated, use Fetch.requestPaused instead.
         */
        export interface RequestInterceptedEvent {
            /**
             * Each request the page makes will have a unique id, however if any redirects are encountered
             * while processing that fetch, they will be reported with the same id as the original fetch.
             * Likewise if HTTP authentication is needed then the same fetch id will be used.
             */
            interceptionId: InterceptionId;
            request: Request;
            /**
             * The id of the frame that initiated the request.
             */
            frameId: Page.FrameId;
            /**
             * How the requested resource will be used.
             */
            resourceType: ResourceType;
            /**
             * Whether this is a navigation request, which can abort the navigation completely.
             */
            isNavigationRequest: boolean;
            /**
             * Set if the request is a navigation that will result in a download.
             * Only present after response is received from the server (i.e. HeadersReceived stage).
             */
            isDownload?: boolean;
            /**
             * Redirect location, only sent if a redirect was intercepted.
             */
            redirectUrl?: string;
            /**
             * Details of the Authorization Challenge encountered. If this is set then
             * continueInterceptedRequest must contain an authChallengeResponse.
             */
            authChallenge?: AuthChallenge;
            /**
             * Response error if intercepted at response stage or if redirect occurred while intercepting
             * request.
             */
            responseErrorReason?: ErrorReason;
            /**
             * Response code if intercepted at response stage or if redirect occurred while intercepting
             * request or auth retry occurred.
             */
            responseStatusCode?: integer;
            /**
             * Response headers if intercepted at the response stage or if redirect occurred while
             * intercepting request or auth retry occurred.
             */
            responseHeaders?: Headers;
            /**
             * If the intercepted request had a corresponding requestWillBeSent event fired for it, then
             * this requestId will be the same as the requestId present in the requestWillBeSent event.
             */
            requestId?: RequestId;
        }

        /**
         * Fired if request ended up loading from cache.
         */
        export interface RequestServedFromCacheEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
        }

        /**
         * Fired when page is about to send HTTP request.
         */
        export interface RequestWillBeSentEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Loader identifier. Empty string if the request is fetched from worker.
             */
            loaderId: LoaderId;
            /**
             * URL of the document this request is loaded for.
             */
            documentURL: string;
            /**
             * Request data.
             */
            request: Request;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Timestamp.
             */
            wallTime: TimeSinceEpoch;
            /**
             * Request initiator.
             */
            initiator: Initiator;
            /**
             * Redirect response data.
             */
            redirectResponse?: Response;
            /**
             * Type of this resource.
             */
            type?: ResourceType;
            /**
             * Frame identifier.
             */
            frameId?: Page.FrameId;
            /**
             * Whether the request is initiated by a user gesture. Defaults to false.
             */
            hasUserGesture?: boolean;
        }

        /**
         * Fired when resource loading priority is changed
         */
        export interface ResourceChangedPriorityEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * New priority
             */
            newPriority: ResourcePriority;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
        }

        /**
         * Fired when a signed exchange was received over the network
         */
        export interface SignedExchangeReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Information about the signed exchange response.
             */
            info: SignedExchangeInfo;
        }

        /**
         * Fired when HTTP response is available.
         */
        export interface ResponseReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Loader identifier. Empty string if the request is fetched from worker.
             */
            loaderId: LoaderId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Resource type.
             */
            type: ResourceType;
            /**
             * Response data.
             */
            response: Response;
            /**
             * Frame identifier.
             */
            frameId?: Page.FrameId;
        }

        /**
         * Fired when WebSocket is closed.
         */
        export interface WebSocketClosedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
        }

        /**
         * Fired upon WebSocket creation.
         */
        export interface WebSocketCreatedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * WebSocket request URL.
             */
            url: string;
            /**
             * Request initiator.
             */
            initiator?: Initiator;
        }

        /**
         * Fired when WebSocket message error occurs.
         */
        export interface WebSocketFrameErrorEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * WebSocket error message.
             */
            errorMessage: string;
        }

        /**
         * Fired when WebSocket message is received.
         */
        export interface WebSocketFrameReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * WebSocket response data.
             */
            response: WebSocketFrame;
        }

        /**
         * Fired when WebSocket message is sent.
         */
        export interface WebSocketFrameSentEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * WebSocket response data.
             */
            response: WebSocketFrame;
        }

        /**
         * Fired when WebSocket handshake response becomes available.
         */
        export interface WebSocketHandshakeResponseReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * WebSocket response data.
             */
            response: WebSocketResponse;
        }

        /**
         * Fired when WebSocket is about to initiate handshake.
         */
        export interface WebSocketWillSendHandshakeRequestEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * UTC Timestamp.
             */
            wallTime: TimeSinceEpoch;
            /**
             * WebSocket request data.
             */
            request: WebSocketRequest;
        }

        /**
         * Fired when additional information about a requestWillBeSent event is available from the
         * network stack. Not every requestWillBeSent event will have an additional
         * requestWillBeSentExtraInfo fired for it, and there is no guarantee whether requestWillBeSent
         * or requestWillBeSentExtraInfo will be fired first for the same request.
         */
        export interface RequestWillBeSentExtraInfoEvent {
            /**
             * Request identifier. Used to match this information to an existing requestWillBeSent event.
             */
            requestId: RequestId;
            /**
             * A list of cookies potentially associated to the requested URL. This includes both cookies sent with
             * the request and the ones not sent; the latter are distinguished by having blockedReason field set.
             */
            associatedCookies: BlockedCookieWithReason[];
            /**
             * Raw request headers as they will be sent over the wire.
             */
            headers: Headers;
        }

        /**
         * Fired when additional information about a responseReceived event is available from the network
         * stack. Not every responseReceived event will have an additional responseReceivedExtraInfo for
         * it, and responseReceivedExtraInfo may be fired before or after responseReceived.
         */
        export interface ResponseReceivedExtraInfoEvent {
            /**
             * Request identifier. Used to match this information to another responseReceived event.
             */
            requestId: RequestId;
            /**
             * A list of cookies which were not stored from the response along with the corresponding
             * reasons for blocking. The cookies here may not be valid due to syntax errors, which
             * are represented by the invalid cookie line string instead of a proper cookie.
             */
            blockedCookies: BlockedSetCookieWithReason[];
            /**
             * Raw response headers as they were received over the wire.
             */
            headers: Headers;
            /**
             * Raw response header text as it was received over the wire. The raw text may not always be
             * available, such as in the case of HTTP/2 or QUIC.
             */
            headersText?: string;
        }
    }

    /**
     * This domain provides various functionality related to drawing atop the inspected page.
     */
    export namespace Overlay {

        /**
         * Configuration data for drawing the source order of an elements children.
         */
        export interface SourceOrderConfig {
            /**
             * the color to outline the givent element in.
             */
            parentOutlineColor: DOM.RGBA;
            /**
             * the color to outline the child elements in.
             */
            childOutlineColor: DOM.RGBA;
        }

        /**
         * Configuration data for the highlighting of Grid elements.
         */
        export interface GridHighlightConfig {
            /**
             * Whether the extension lines from grid cells to the rulers should be shown (default: false).
             */
            showGridExtensionLines?: boolean;
            /**
             * Show Positive line number labels (default: false).
             */
            showPositiveLineNumbers?: boolean;
            /**
             * Show Negative line number labels (default: false).
             */
            showNegativeLineNumbers?: boolean;
            /**
             * Show area name labels (default: false).
             */
            showAreaNames?: boolean;
            /**
             * Show line name labels (default: false).
             */
            showLineNames?: boolean;
            /**
             * Show track size labels (default: false).
             */
            showTrackSizes?: boolean;
            /**
             * The grid container border highlight color (default: transparent).
             */
            gridBorderColor?: DOM.RGBA;
            /**
             * The cell border color (default: transparent). Deprecated, please use rowLineColor and columnLineColor instead.
             */
            cellBorderColor?: DOM.RGBA;
            /**
             * The row line color (default: transparent).
             */
            rowLineColor?: DOM.RGBA;
            /**
             * The column line color (default: transparent).
             */
            columnLineColor?: DOM.RGBA;
            /**
             * Whether the grid border is dashed (default: false).
             */
            gridBorderDash?: boolean;
            /**
             * Whether the cell border is dashed (default: false). Deprecated, please us rowLineDash and columnLineDash instead.
             */
            cellBorderDash?: boolean;
            /**
             * Whether row lines are dashed (default: false).
             */
            rowLineDash?: boolean;
            /**
             * Whether column lines are dashed (default: false).
             */
            columnLineDash?: boolean;
            /**
             * The row gap highlight fill color (default: transparent).
             */
            rowGapColor?: DOM.RGBA;
            /**
             * The row gap hatching fill color (default: transparent).
             */
            rowHatchColor?: DOM.RGBA;
            /**
             * The column gap highlight fill color (default: transparent).
             */
            columnGapColor?: DOM.RGBA;
            /**
             * The column gap hatching fill color (default: transparent).
             */
            columnHatchColor?: DOM.RGBA;
            /**
             * The named grid areas border color (Default: transparent).
             */
            areaBorderColor?: DOM.RGBA;
        }

        /**
         * Configuration data for the highlighting of page elements.
         */
        export interface HighlightConfig {
            /**
             * Whether the node info tooltip should be shown (default: false).
             */
            showInfo?: boolean;
            /**
             * Whether the node styles in the tooltip (default: false).
             */
            showStyles?: boolean;
            /**
             * Whether the rulers should be shown (default: false).
             */
            showRulers?: boolean;
            /**
             * Whether the a11y info should be shown (default: true).
             */
            showAccessibilityInfo?: boolean;
            /**
             * Whether the extension lines from node to the rulers should be shown (default: false).
             */
            showExtensionLines?: boolean;
            /**
             * The content box highlight fill color (default: transparent).
             */
            contentColor?: DOM.RGBA;
            /**
             * The padding highlight fill color (default: transparent).
             */
            paddingColor?: DOM.RGBA;
            /**
             * The border highlight fill color (default: transparent).
             */
            borderColor?: DOM.RGBA;
            /**
             * The margin highlight fill color (default: transparent).
             */
            marginColor?: DOM.RGBA;
            /**
             * The event target element highlight fill color (default: transparent).
             */
            eventTargetColor?: DOM.RGBA;
            /**
             * The shape outside fill color (default: transparent).
             */
            shapeColor?: DOM.RGBA;
            /**
             * The shape margin fill color (default: transparent).
             */
            shapeMarginColor?: DOM.RGBA;
            /**
             * The grid layout color (default: transparent).
             */
            cssGridColor?: DOM.RGBA;
            /**
             * The color format used to format color styles (default: hex).
             */
            colorFormat?: ColorFormat;
            /**
             * The grid layout highlight configuration (default: all transparent).
             */
            gridHighlightConfig?: GridHighlightConfig;
        }

        export type ColorFormat = ('rgb' | 'hsl' | 'hex');

        /**
         * Configurations for Persistent Grid Highlight
         */
        export interface GridNodeHighlightConfig {
            /**
             * A descriptor for the highlight appearance.
             */
            gridHighlightConfig: GridHighlightConfig;
            /**
             * Identifier of the node to highlight.
             */
            nodeId: DOM.NodeId;
        }

        /**
         * Configuration for dual screen hinge
         */
        export interface HingeConfig {
            /**
             * A rectangle represent hinge
             */
            rect: DOM.Rect;
            /**
             * The content box highlight fill color (default: a dark color).
             */
            contentColor?: DOM.RGBA;
            /**
             * The content box highlight outline color (default: transparent).
             */
            outlineColor?: DOM.RGBA;
        }

        export type InspectMode = ('searchForNode' | 'searchForUAShadowDOM' | 'captureAreaScreenshot' | 'showDistances' | 'none');

        export interface GetHighlightObjectForTestRequest {
            /**
             * Id of the node to get highlight object for.
             */
            nodeId: DOM.NodeId;
            /**
             * Whether to include distance info.
             */
            includeDistance?: boolean;
            /**
             * Whether to include style info.
             */
            includeStyle?: boolean;
            /**
             * The color format to get config with (default: hex).
             */
            colorFormat?: ColorFormat;
            /**
             * Whether to show accessibility info (default: true).
             */
            showAccessibilityInfo?: boolean;
        }

        export interface GetHighlightObjectForTestResponse {
            /**
             * Highlight data for the node.
             */
            highlight: any;
        }

        export interface GetGridHighlightObjectsForTestRequest {
            /**
             * Ids of the node to get highlight object for.
             */
            nodeIds: DOM.NodeId[];
        }

        export interface GetGridHighlightObjectsForTestResponse {
            /**
             * Grid Highlight data for the node ids provided.
             */
            highlights: any;
        }

        export interface GetSourceOrderHighlightObjectForTestRequest {
            /**
             * Id of the node to highlight.
             */
            nodeId: DOM.NodeId;
        }

        export interface GetSourceOrderHighlightObjectForTestResponse {
            /**
             * Source order highlight data for the node id provided.
             */
            highlight: any;
        }

        export interface HighlightFrameRequest {
            /**
             * Identifier of the frame to highlight.
             */
            frameId: Page.FrameId;
            /**
             * The content box highlight fill color (default: transparent).
             */
            contentColor?: DOM.RGBA;
            /**
             * The content box highlight outline color (default: transparent).
             */
            contentOutlineColor?: DOM.RGBA;
        }

        export interface HighlightNodeRequest {
            /**
             * A descriptor for the highlight appearance.
             */
            highlightConfig: HighlightConfig;
            /**
             * Identifier of the node to highlight.
             */
            nodeId?: DOM.NodeId;
            /**
             * Identifier of the backend node to highlight.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * JavaScript object id of the node to be highlighted.
             */
            objectId?: Runtime.RemoteObjectId;
            /**
             * Selectors to highlight relevant nodes.
             */
            selector?: string;
        }

        export interface HighlightQuadRequest {
            /**
             * Quad to highlight
             */
            quad: DOM.Quad;
            /**
             * The highlight fill color (default: transparent).
             */
            color?: DOM.RGBA;
            /**
             * The highlight outline color (default: transparent).
             */
            outlineColor?: DOM.RGBA;
        }

        export interface HighlightRectRequest {
            /**
             * X coordinate
             */
            x: integer;
            /**
             * Y coordinate
             */
            y: integer;
            /**
             * Rectangle width
             */
            width: integer;
            /**
             * Rectangle height
             */
            height: integer;
            /**
             * The highlight fill color (default: transparent).
             */
            color?: DOM.RGBA;
            /**
             * The highlight outline color (default: transparent).
             */
            outlineColor?: DOM.RGBA;
        }

        export interface HighlightSourceOrderRequest {
            /**
             * A descriptor for the appearance of the overlay drawing.
             */
            sourceOrderConfig: SourceOrderConfig;
            /**
             * Identifier of the node to highlight.
             */
            nodeId?: DOM.NodeId;
            /**
             * Identifier of the backend node to highlight.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * JavaScript object id of the node to be highlighted.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface SetInspectModeRequest {
            /**
             * Set an inspection mode.
             */
            mode: InspectMode;
            /**
             * A descriptor for the highlight appearance of hovered-over nodes. May be omitted if `enabled
             * == false`.
             */
            highlightConfig?: HighlightConfig;
        }

        export interface SetShowAdHighlightsRequest {
            /**
             * True for showing ad highlights
             */
            show: boolean;
        }

        export interface SetPausedInDebuggerMessageRequest {
            /**
             * The message to display, also triggers resume and step over controls.
             */
            message?: string;
        }

        export interface SetShowDebugBordersRequest {
            /**
             * True for showing debug borders
             */
            show: boolean;
        }

        export interface SetShowFPSCounterRequest {
            /**
             * True for showing the FPS counter
             */
            show: boolean;
        }

        export interface SetShowGridOverlaysRequest {
            /**
             * An array of node identifiers and descriptors for the highlight appearance.
             */
            gridNodeHighlightConfigs: GridNodeHighlightConfig[];
        }

        export interface SetShowPaintRectsRequest {
            /**
             * True for showing paint rectangles
             */
            result: boolean;
        }

        export interface SetShowLayoutShiftRegionsRequest {
            /**
             * True for showing layout shift regions
             */
            result: boolean;
        }

        export interface SetShowScrollBottleneckRectsRequest {
            /**
             * True for showing scroll bottleneck rects
             */
            show: boolean;
        }

        export interface SetShowHitTestBordersRequest {
            /**
             * True for showing hit-test borders
             */
            show: boolean;
        }

        export interface SetShowViewportSizeOnResizeRequest {
            /**
             * Whether to paint size or not.
             */
            show: boolean;
        }

        export interface SetShowHingeRequest {
            /**
             * hinge data, null means hideHinge
             */
            hingeConfig?: HingeConfig;
        }

        /**
         * Fired when the node should be inspected. This happens after call to `setInspectMode` or when
         * user manually inspects an element.
         */
        export interface InspectNodeRequestedEvent {
            /**
             * Id of the node to inspect.
             */
            backendNodeId: DOM.BackendNodeId;
        }

        /**
         * Fired when the node should be highlighted. This happens after call to `setInspectMode`.
         */
        export interface NodeHighlightRequestedEvent {
            nodeId: DOM.NodeId;
        }

        /**
         * Fired when user asks to capture screenshot of some area on the page.
         */
        export interface ScreenshotRequestedEvent {
            /**
             * Viewport to capture, in device independent pixels (dip).
             */
            viewport: Page.Viewport;
        }
    }

    /**
     * Actions and events related to the inspected page belong to the page domain.
     */
    export namespace Page {

        /**
         * Unique frame identifier.
         */
        export type FrameId = string;

        /**
         * Indicates whether a frame has been identified as an ad.
         */
        export type AdFrameType = ('none' | 'child' | 'root');

        /**
         * Indicates whether the frame is a secure context and why it is the case.
         */
        export type SecureContextType = ('Secure' | 'SecureLocalhost' | 'InsecureScheme' | 'InsecureAncestor');

        /**
         * Indicates whether the frame is cross-origin isolated and why it is the case.
         */
        export type CrossOriginIsolatedContextType = ('Isolated' | 'NotIsolated' | 'NotIsolatedFeatureDisabled');

        /**
         * Information about the Frame on the page.
         */
        export interface Frame {
            /**
             * Frame unique identifier.
             */
            id: FrameId;
            /**
             * Parent frame identifier.
             */
            parentId?: string;
            /**
             * Identifier of the loader associated with this frame.
             */
            loaderId: Network.LoaderId;
            /**
             * Frame's name as specified in the tag.
             */
            name?: string;
            /**
             * Frame document's URL without fragment.
             */
            url: string;
            /**
             * Frame document's URL fragment including the '#'.
             */
            urlFragment?: string;
            /**
             * Frame document's registered domain, taking the public suffixes list into account.
             * Extracted from the Frame's url.
             * Example URLs: http://www.google.com/file.html -> "google.com"
             *               http://a.b.co.uk/file.html      -> "b.co.uk"
             */
            domainAndRegistry: string;
            /**
             * Frame document's security origin.
             */
            securityOrigin: string;
            /**
             * Frame document's mimeType as determined by the browser.
             */
            mimeType: string;
            /**
             * If the frame failed to load, this contains the URL that could not be loaded. Note that unlike url above, this URL may contain a fragment.
             */
            unreachableUrl?: string;
            /**
             * Indicates whether this frame was tagged as an ad.
             */
            adFrameType?: AdFrameType;
            /**
             * Indicates whether the main document is a secure context and explains why that is the case.
             */
            secureContextType: SecureContextType;
            /**
             * Indicates whether this is a cross origin isolated context.
             */
            crossOriginIsolatedContextType: CrossOriginIsolatedContextType;
        }

        /**
         * Information about the Resource on the page.
         */
        export interface FrameResource {
            /**
             * Resource URL.
             */
            url: string;
            /**
             * Type of this resource.
             */
            type: Network.ResourceType;
            /**
             * Resource mimeType as determined by the browser.
             */
            mimeType: string;
            /**
             * last-modified timestamp as reported by server.
             */
            lastModified?: Network.TimeSinceEpoch;
            /**
             * Resource content size.
             */
            contentSize?: number;
            /**
             * True if the resource failed to load.
             */
            failed?: boolean;
            /**
             * True if the resource was canceled during loading.
             */
            canceled?: boolean;
        }

        /**
         * Information about the Frame hierarchy along with their cached resources.
         */
        export interface FrameResourceTree {
            /**
             * Frame information for this tree item.
             */
            frame: Frame;
            /**
             * Child frames.
             */
            childFrames?: FrameResourceTree[];
            /**
             * Information about frame resources.
             */
            resources: FrameResource[];
        }

        /**
         * Information about the Frame hierarchy.
         */
        export interface FrameTree {
            /**
             * Frame information for this tree item.
             */
            frame: Frame;
            /**
             * Child frames.
             */
            childFrames?: FrameTree[];
        }

        /**
         * Unique script identifier.
         */
        export type ScriptIdentifier = string;

        /**
         * Transition type.
         */
        export type TransitionType = ('link' | 'typed' | 'address_bar' | 'auto_bookmark' | 'auto_subframe' | 'manual_subframe' | 'generated' | 'auto_toplevel' | 'form_submit' | 'reload' | 'keyword' | 'keyword_generated' | 'other');

        /**
         * Navigation history entry.
         */
        export interface NavigationEntry {
            /**
             * Unique id of the navigation history entry.
             */
            id: integer;
            /**
             * URL of the navigation history entry.
             */
            url: string;
            /**
             * URL that the user typed in the url bar.
             */
            userTypedURL: string;
            /**
             * Title of the navigation history entry.
             */
            title: string;
            /**
             * Transition type.
             */
            transitionType: TransitionType;
        }

        /**
         * Screencast frame metadata.
         */
        export interface ScreencastFrameMetadata {
            /**
             * Top offset in DIP.
             */
            offsetTop: number;
            /**
             * Page scale factor.
             */
            pageScaleFactor: number;
            /**
             * Device screen width in DIP.
             */
            deviceWidth: number;
            /**
             * Device screen height in DIP.
             */
            deviceHeight: number;
            /**
             * Position of horizontal scroll in CSS pixels.
             */
            scrollOffsetX: number;
            /**
             * Position of vertical scroll in CSS pixels.
             */
            scrollOffsetY: number;
            /**
             * Frame swap timestamp.
             */
            timestamp?: Network.TimeSinceEpoch;
        }

        /**
         * Javascript dialog type.
         */
        export type DialogType = ('alert' | 'confirm' | 'prompt' | 'beforeunload');

        /**
         * Error while paring app manifest.
         */
        export interface AppManifestError {
            /**
             * Error message.
             */
            message: string;
            /**
             * If criticial, this is a non-recoverable parse error.
             */
            critical: integer;
            /**
             * Error line.
             */
            line: integer;
            /**
             * Error column.
             */
            column: integer;
        }

        /**
         * Parsed app manifest properties.
         */
        export interface AppManifestParsedProperties {
            /**
             * Computed scope value
             */
            scope: string;
        }

        /**
         * Layout viewport position and dimensions.
         */
        export interface LayoutViewport {
            /**
             * Horizontal offset relative to the document (CSS pixels).
             */
            pageX: integer;
            /**
             * Vertical offset relative to the document (CSS pixels).
             */
            pageY: integer;
            /**
             * Width (CSS pixels), excludes scrollbar if present.
             */
            clientWidth: integer;
            /**
             * Height (CSS pixels), excludes scrollbar if present.
             */
            clientHeight: integer;
        }

        /**
         * Visual viewport position, dimensions, and scale.
         */
        export interface VisualViewport {
            /**
             * Horizontal offset relative to the layout viewport (CSS pixels).
             */
            offsetX: number;
            /**
             * Vertical offset relative to the layout viewport (CSS pixels).
             */
            offsetY: number;
            /**
             * Horizontal offset relative to the document (CSS pixels).
             */
            pageX: number;
            /**
             * Vertical offset relative to the document (CSS pixels).
             */
            pageY: number;
            /**
             * Width (CSS pixels), excludes scrollbar if present.
             */
            clientWidth: number;
            /**
             * Height (CSS pixels), excludes scrollbar if present.
             */
            clientHeight: number;
            /**
             * Scale relative to the ideal viewport (size at width=device-width).
             */
            scale: number;
            /**
             * Page zoom factor (CSS to device independent pixels ratio).
             */
            zoom?: number;
        }

        /**
         * Viewport for capturing screenshot.
         */
        export interface Viewport {
            /**
             * X offset in device independent pixels (dip).
             */
            x: number;
            /**
             * Y offset in device independent pixels (dip).
             */
            y: number;
            /**
             * Rectangle width in device independent pixels (dip).
             */
            width: number;
            /**
             * Rectangle height in device independent pixels (dip).
             */
            height: number;
            /**
             * Page scale factor.
             */
            scale: number;
        }

        /**
         * Generic font families collection.
         */
        export interface FontFamilies {
            /**
             * The standard font-family.
             */
            standard?: string;
            /**
             * The fixed font-family.
             */
            fixed?: string;
            /**
             * The serif font-family.
             */
            serif?: string;
            /**
             * The sansSerif font-family.
             */
            sansSerif?: string;
            /**
             * The cursive font-family.
             */
            cursive?: string;
            /**
             * The fantasy font-family.
             */
            fantasy?: string;
            /**
             * The pictograph font-family.
             */
            pictograph?: string;
        }

        /**
         * Default font sizes.
         */
        export interface FontSizes {
            /**
             * Default standard font size.
             */
            standard?: integer;
            /**
             * Default fixed font size.
             */
            fixed?: integer;
        }

        export type ClientNavigationReason = ('formSubmissionGet' | 'formSubmissionPost' | 'httpHeaderRefresh' | 'scriptInitiated' | 'metaTagRefresh' | 'pageBlockInterstitial' | 'reload' | 'anchorClick');

        export type ClientNavigationDisposition = ('currentTab' | 'newTab' | 'newWindow' | 'download');

        export interface InstallabilityErrorArgument {
            /**
             * Argument name (e.g. name:'minimum-icon-size-in-pixels').
             */
            name: string;
            /**
             * Argument value (e.g. value:'64').
             */
            value: string;
        }

        /**
         * The installability error
         */
        export interface InstallabilityError {
            /**
             * The error id (e.g. 'manifest-missing-suitable-icon').
             */
            errorId: string;
            /**
             * The list of error arguments (e.g. {name:'minimum-icon-size-in-pixels', value:'64'}).
             */
            errorArguments: InstallabilityErrorArgument[];
        }

        /**
         * The referring-policy used for the navigation.
         */
        export type ReferrerPolicy = ('noReferrer' | 'noReferrerWhenDowngrade' | 'origin' | 'originWhenCrossOrigin' | 'sameOrigin' | 'strictOrigin' | 'strictOriginWhenCrossOrigin' | 'unsafeUrl');

        export interface AddScriptToEvaluateOnLoadRequest {
            scriptSource: string;
        }

        export interface AddScriptToEvaluateOnLoadResponse {
            /**
             * Identifier of the added script.
             */
            identifier: ScriptIdentifier;
        }

        export interface AddScriptToEvaluateOnNewDocumentRequest {
            source: string;
            /**
             * If specified, creates an isolated world with the given name and evaluates given script in it.
             * This world name will be used as the ExecutionContextDescription::name when the corresponding
             * event is emitted.
             */
            worldName?: string;
        }

        export interface AddScriptToEvaluateOnNewDocumentResponse {
            /**
             * Identifier of the added script.
             */
            identifier: ScriptIdentifier;
        }

        export const enum CaptureScreenshotRequestFormat {
            Jpeg = 'jpeg',
            Png = 'png',
        }

        export interface CaptureScreenshotRequest {
            /**
             * Image compression format (defaults to png). (CaptureScreenshotRequestFormat enum)
             */
            format?: ('jpeg' | 'png');
            /**
             * Compression quality from range [0..100] (jpeg only).
             */
            quality?: integer;
            /**
             * Capture the screenshot of a given region only.
             */
            clip?: Viewport;
            /**
             * Capture the screenshot from the surface, rather than the view. Defaults to true.
             */
            fromSurface?: boolean;
        }

        export interface CaptureScreenshotResponse {
            /**
             * Base64-encoded image data.
             */
            data: string;
        }

        export const enum CaptureSnapshotRequestFormat {
            MHTML = 'mhtml',
        }

        export interface CaptureSnapshotRequest {
            /**
             * Format (defaults to mhtml). (CaptureSnapshotRequestFormat enum)
             */
            format?: ('mhtml');
        }

        export interface CaptureSnapshotResponse {
            /**
             * Serialized page data.
             */
            data: string;
        }

        export interface CreateIsolatedWorldRequest {
            /**
             * Id of the frame in which the isolated world should be created.
             */
            frameId: FrameId;
            /**
             * An optional name which is reported in the Execution Context.
             */
            worldName?: string;
            /**
             * Whether or not universal access should be granted to the isolated world. This is a powerful
             * option, use with caution.
             */
            grantUniveralAccess?: boolean;
        }

        export interface CreateIsolatedWorldResponse {
            /**
             * Execution context of the isolated world.
             */
            executionContextId: Runtime.ExecutionContextId;
        }

        export interface DeleteCookieRequest {
            /**
             * Name of the cookie to remove.
             */
            cookieName: string;
            /**
             * URL to match cooke domain and path.
             */
            url: string;
        }

        export interface GetAppManifestResponse {
            /**
             * Manifest location.
             */
            url: string;
            errors: AppManifestError[];
            /**
             * Manifest content.
             */
            data?: string;
            /**
             * Parsed manifest properties
             */
            parsed?: AppManifestParsedProperties;
        }

        export interface GetInstallabilityErrorsResponse {
            installabilityErrors: InstallabilityError[];
        }

        export interface GetManifestIconsResponse {
            primaryIcon?: string;
        }

        export interface GetCookiesResponse {
            /**
             * Array of cookie objects.
             */
            cookies: Network.Cookie[];
        }

        export interface GetFrameTreeResponse {
            /**
             * Present frame tree structure.
             */
            frameTree: FrameTree;
        }

        export interface GetLayoutMetricsResponse {
            /**
             * Metrics relating to the layout viewport.
             */
            layoutViewport: LayoutViewport;
            /**
             * Metrics relating to the visual viewport.
             */
            visualViewport: VisualViewport;
            /**
             * Size of scrollable area.
             */
            contentSize: DOM.Rect;
        }

        export interface GetNavigationHistoryResponse {
            /**
             * Index of the current navigation history entry.
             */
            currentIndex: integer;
            /**
             * Array of navigation history entries.
             */
            entries: NavigationEntry[];
        }

        export interface GetResourceContentRequest {
            /**
             * Frame id to get resource for.
             */
            frameId: FrameId;
            /**
             * URL of the resource to get content for.
             */
            url: string;
        }

        export interface GetResourceContentResponse {
            /**
             * Resource content.
             */
            content: string;
            /**
             * True, if content was served as base64.
             */
            base64Encoded: boolean;
        }

        export interface GetResourceTreeResponse {
            /**
             * Present frame / resource tree structure.
             */
            frameTree: FrameResourceTree;
        }

        export interface HandleJavaScriptDialogRequest {
            /**
             * Whether to accept or dismiss the dialog.
             */
            accept: boolean;
            /**
             * The text to enter into the dialog prompt before accepting. Used only if this is a prompt
             * dialog.
             */
            promptText?: string;
        }

        export interface NavigateRequest {
            /**
             * URL to navigate the page to.
             */
            url: string;
            /**
             * Referrer URL.
             */
            referrer?: string;
            /**
             * Intended transition type.
             */
            transitionType?: TransitionType;
            /**
             * Frame id to navigate, if not specified navigates the top frame.
             */
            frameId?: FrameId;
            /**
             * Referrer-policy used for the navigation.
             */
            referrerPolicy?: ReferrerPolicy;
        }

        export interface NavigateResponse {
            /**
             * Frame id that has navigated (or failed to navigate)
             */
            frameId: FrameId;
            /**
             * Loader identifier.
             */
            loaderId?: Network.LoaderId;
            /**
             * User friendly error message, present if and only if navigation has failed.
             */
            errorText?: string;
        }

        export interface NavigateToHistoryEntryRequest {
            /**
             * Unique id of the entry to navigate to.
             */
            entryId: integer;
        }

        export const enum PrintToPDFRequestTransferMode {
            ReturnAsBase64 = 'ReturnAsBase64',
            ReturnAsStream = 'ReturnAsStream',
        }

        export interface PrintToPDFRequest {
            /**
             * Paper orientation. Defaults to false.
             */
            landscape?: boolean;
            /**
             * Display header and footer. Defaults to false.
             */
            displayHeaderFooter?: boolean;
            /**
             * Print background graphics. Defaults to false.
             */
            printBackground?: boolean;
            /**
             * Scale of the webpage rendering. Defaults to 1.
             */
            scale?: number;
            /**
             * Paper width in inches. Defaults to 8.5 inches.
             */
            paperWidth?: number;
            /**
             * Paper height in inches. Defaults to 11 inches.
             */
            paperHeight?: number;
            /**
             * Top margin in inches. Defaults to 1cm (~0.4 inches).
             */
            marginTop?: number;
            /**
             * Bottom margin in inches. Defaults to 1cm (~0.4 inches).
             */
            marginBottom?: number;
            /**
             * Left margin in inches. Defaults to 1cm (~0.4 inches).
             */
            marginLeft?: number;
            /**
             * Right margin in inches. Defaults to 1cm (~0.4 inches).
             */
            marginRight?: number;
            /**
             * Paper ranges to print, e.g., '1-5, 8, 11-13'. Defaults to the empty string, which means
             * print all pages.
             */
            pageRanges?: string;
            /**
             * Whether to silently ignore invalid but successfully parsed page ranges, such as '3-2'.
             * Defaults to false.
             */
            ignoreInvalidPageRanges?: boolean;
            /**
             * HTML template for the print header. Should be valid HTML markup with following
             * classes used to inject printing values into them:
             * - `date`: formatted print date
             * - `title`: document title
             * - `url`: document location
             * - `pageNumber`: current page number
             * - `totalPages`: total pages in the document
             * 
             * For example, `<span class=title></span>` would generate span containing the title.
             */
            headerTemplate?: string;
            /**
             * HTML template for the print footer. Should use the same format as the `headerTemplate`.
             */
            footerTemplate?: string;
            /**
             * Whether or not to prefer page size as defined by css. Defaults to false,
             * in which case the content will be scaled to fit the paper size.
             */
            preferCSSPageSize?: boolean;
            /**
             * return as stream (PrintToPDFRequestTransferMode enum)
             */
            transferMode?: ('ReturnAsBase64' | 'ReturnAsStream');
        }

        export interface PrintToPDFResponse {
            /**
             * Base64-encoded pdf data. Empty if |returnAsStream| is specified.
             */
            data: string;
            /**
             * A handle of the stream that holds resulting PDF data.
             */
            stream?: IO.StreamHandle;
        }

        export interface ReloadRequest {
            /**
             * If true, browser cache is ignored (as if the user pressed Shift+refresh).
             */
            ignoreCache?: boolean;
            /**
             * If set, the script will be injected into all frames of the inspected page after reload.
             * Argument will be ignored if reloading dataURL origin.
             */
            scriptToEvaluateOnLoad?: string;
        }

        export interface RemoveScriptToEvaluateOnLoadRequest {
            identifier: ScriptIdentifier;
        }

        export interface RemoveScriptToEvaluateOnNewDocumentRequest {
            identifier: ScriptIdentifier;
        }

        export interface ScreencastFrameAckRequest {
            /**
             * Frame number.
             */
            sessionId: integer;
        }

        export interface SearchInResourceRequest {
            /**
             * Frame id for resource to search in.
             */
            frameId: FrameId;
            /**
             * URL of the resource to search in.
             */
            url: string;
            /**
             * String to search for.
             */
            query: string;
            /**
             * If true, search is case sensitive.
             */
            caseSensitive?: boolean;
            /**
             * If true, treats string parameter as regex.
             */
            isRegex?: boolean;
        }

        export interface SearchInResourceResponse {
            /**
             * List of search matches.
             */
            result: Debugger.SearchMatch[];
        }

        export interface SetAdBlockingEnabledRequest {
            /**
             * Whether to block ads.
             */
            enabled: boolean;
        }

        export interface SetBypassCSPRequest {
            /**
             * Whether to bypass page CSP.
             */
            enabled: boolean;
        }

        export interface SetDeviceMetricsOverrideRequest {
            /**
             * Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override.
             */
            width: integer;
            /**
             * Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override.
             */
            height: integer;
            /**
             * Overriding device scale factor value. 0 disables the override.
             */
            deviceScaleFactor: number;
            /**
             * Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text
             * autosizing and more.
             */
            mobile: boolean;
            /**
             * Scale to apply to resulting view image.
             */
            scale?: number;
            /**
             * Overriding screen width value in pixels (minimum 0, maximum 10000000).
             */
            screenWidth?: integer;
            /**
             * Overriding screen height value in pixels (minimum 0, maximum 10000000).
             */
            screenHeight?: integer;
            /**
             * Overriding view X position on screen in pixels (minimum 0, maximum 10000000).
             */
            positionX?: integer;
            /**
             * Overriding view Y position on screen in pixels (minimum 0, maximum 10000000).
             */
            positionY?: integer;
            /**
             * Do not set visible view size, rely upon explicit setVisibleSize call.
             */
            dontSetVisibleSize?: boolean;
            /**
             * Screen orientation override.
             */
            screenOrientation?: Emulation.ScreenOrientation;
            /**
             * The viewport dimensions and scale. If not set, the override is cleared.
             */
            viewport?: Viewport;
        }

        export interface SetDeviceOrientationOverrideRequest {
            /**
             * Mock alpha
             */
            alpha: number;
            /**
             * Mock beta
             */
            beta: number;
            /**
             * Mock gamma
             */
            gamma: number;
        }

        export interface SetFontFamiliesRequest {
            /**
             * Specifies font families to set. If a font family is not specified, it won't be changed.
             */
            fontFamilies: FontFamilies;
        }

        export interface SetFontSizesRequest {
            /**
             * Specifies font sizes to set. If a font size is not specified, it won't be changed.
             */
            fontSizes: FontSizes;
        }

        export interface SetDocumentContentRequest {
            /**
             * Frame id to set HTML for.
             */
            frameId: FrameId;
            /**
             * HTML content to set.
             */
            html: string;
        }

        export const enum SetDownloadBehaviorRequestBehavior {
            Deny = 'deny',
            Allow = 'allow',
            Default = 'default',
        }

        export interface SetDownloadBehaviorRequest {
            /**
             * Whether to allow all or deny all download requests, or use default Chrome behavior if
             * available (otherwise deny). (SetDownloadBehaviorRequestBehavior enum)
             */
            behavior: ('deny' | 'allow' | 'default');
            /**
             * The default path to save downloaded files to. This is requred if behavior is set to 'allow'
             */
            downloadPath?: string;
        }

        export interface SetGeolocationOverrideRequest {
            /**
             * Mock latitude
             */
            latitude?: number;
            /**
             * Mock longitude
             */
            longitude?: number;
            /**
             * Mock accuracy
             */
            accuracy?: number;
        }

        export interface SetLifecycleEventsEnabledRequest {
            /**
             * If true, starts emitting lifecycle events.
             */
            enabled: boolean;
        }

        export const enum SetTouchEmulationEnabledRequestConfiguration {
            Mobile = 'mobile',
            Desktop = 'desktop',
        }

        export interface SetTouchEmulationEnabledRequest {
            /**
             * Whether the touch event emulation should be enabled.
             */
            enabled: boolean;
            /**
             * Touch/gesture events configuration. Default: current platform. (SetTouchEmulationEnabledRequestConfiguration enum)
             */
            configuration?: ('mobile' | 'desktop');
        }

        export const enum StartScreencastRequestFormat {
            Jpeg = 'jpeg',
            Png = 'png',
        }

        export interface StartScreencastRequest {
            /**
             * Image compression format. (StartScreencastRequestFormat enum)
             */
            format?: ('jpeg' | 'png');
            /**
             * Compression quality from range [0..100].
             */
            quality?: integer;
            /**
             * Maximum screenshot width.
             */
            maxWidth?: integer;
            /**
             * Maximum screenshot height.
             */
            maxHeight?: integer;
            /**
             * Send every n-th frame.
             */
            everyNthFrame?: integer;
        }

        export const enum SetWebLifecycleStateRequestState {
            Frozen = 'frozen',
            Active = 'active',
        }

        export interface SetWebLifecycleStateRequest {
            /**
             * Target lifecycle state (SetWebLifecycleStateRequestState enum)
             */
            state: ('frozen' | 'active');
        }

        export interface SetProduceCompilationCacheRequest {
            enabled: boolean;
        }

        export interface AddCompilationCacheRequest {
            url: string;
            /**
             * Base64-encoded data
             */
            data: string;
        }

        export interface GenerateTestReportRequest {
            /**
             * Message to be displayed in the report.
             */
            message: string;
            /**
             * Specifies the endpoint group to deliver the report to.
             */
            group?: string;
        }

        export interface SetInterceptFileChooserDialogRequest {
            enabled: boolean;
        }

        export interface DomContentEventFiredEvent {
            timestamp: Network.MonotonicTime;
        }

        export const enum FileChooserOpenedEventMode {
            SelectSingle = 'selectSingle',
            SelectMultiple = 'selectMultiple',
        }

        /**
         * Emitted only when `page.interceptFileChooser` is enabled.
         */
        export interface FileChooserOpenedEvent {
            /**
             * Id of the frame containing input node.
             */
            frameId: FrameId;
            /**
             * Input node id.
             */
            backendNodeId: DOM.BackendNodeId;
            /**
             * Input mode. (FileChooserOpenedEventMode enum)
             */
            mode: ('selectSingle' | 'selectMultiple');
        }

        /**
         * Fired when frame has been attached to its parent.
         */
        export interface FrameAttachedEvent {
            /**
             * Id of the frame that has been attached.
             */
            frameId: FrameId;
            /**
             * Parent frame identifier.
             */
            parentFrameId: FrameId;
            /**
             * JavaScript stack trace of when frame was attached, only set if frame initiated from script.
             */
            stack?: Runtime.StackTrace;
        }

        /**
         * Fired when frame no longer has a scheduled navigation.
         */
        export interface FrameClearedScheduledNavigationEvent {
            /**
             * Id of the frame that has cleared its scheduled navigation.
             */
            frameId: FrameId;
        }

        /**
         * Fired when frame has been detached from its parent.
         */
        export interface FrameDetachedEvent {
            /**
             * Id of the frame that has been detached.
             */
            frameId: FrameId;
        }

        /**
         * Fired once navigation of the frame has completed. Frame is now associated with the new loader.
         */
        export interface FrameNavigatedEvent {
            /**
             * Frame object.
             */
            frame: Frame;
        }

        /**
         * Fired when a renderer-initiated navigation is requested.
         * Navigation may still be cancelled after the event is issued.
         */
        export interface FrameRequestedNavigationEvent {
            /**
             * Id of the frame that is being navigated.
             */
            frameId: FrameId;
            /**
             * The reason for the navigation.
             */
            reason: ClientNavigationReason;
            /**
             * The destination URL for the requested navigation.
             */
            url: string;
            /**
             * The disposition for the navigation.
             */
            disposition: ClientNavigationDisposition;
        }

        /**
         * Fired when frame schedules a potential navigation.
         */
        export interface FrameScheduledNavigationEvent {
            /**
             * Id of the frame that has scheduled a navigation.
             */
            frameId: FrameId;
            /**
             * Delay (in seconds) until the navigation is scheduled to begin. The navigation is not
             * guaranteed to start.
             */
            delay: number;
            /**
             * The reason for the navigation.
             */
            reason: ClientNavigationReason;
            /**
             * The destination URL for the scheduled navigation.
             */
            url: string;
        }

        /**
         * Fired when frame has started loading.
         */
        export interface FrameStartedLoadingEvent {
            /**
             * Id of the frame that has started loading.
             */
            frameId: FrameId;
        }

        /**
         * Fired when frame has stopped loading.
         */
        export interface FrameStoppedLoadingEvent {
            /**
             * Id of the frame that has stopped loading.
             */
            frameId: FrameId;
        }

        /**
         * Fired when page is about to start a download.
         */
        export interface DownloadWillBeginEvent {
            /**
             * Id of the frame that caused download to begin.
             */
            frameId: FrameId;
            /**
             * Global unique identifier of the download.
             */
            guid: string;
            /**
             * URL of the resource being downloaded.
             */
            url: string;
            /**
             * Suggested file name of the resource (the actual name of the file saved on disk may differ).
             */
            suggestedFilename: string;
        }

        export const enum DownloadProgressEventState {
            InProgress = 'inProgress',
            Completed = 'completed',
            Canceled = 'canceled',
        }

        /**
         * Fired when download makes progress. Last call has |done| == true.
         */
        export interface DownloadProgressEvent {
            /**
             * Global unique identifier of the download.
             */
            guid: string;
            /**
             * Total expected bytes to download.
             */
            totalBytes: number;
            /**
             * Total bytes received.
             */
            receivedBytes: number;
            /**
             * Download status. (DownloadProgressEventState enum)
             */
            state: ('inProgress' | 'completed' | 'canceled');
        }

        /**
         * Fired when a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload) has been
         * closed.
         */
        export interface JavascriptDialogClosedEvent {
            /**
             * Whether dialog was confirmed.
             */
            result: boolean;
            /**
             * User input in case of prompt.
             */
            userInput: string;
        }

        /**
         * Fired when a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload) is about to
         * open.
         */
        export interface JavascriptDialogOpeningEvent {
            /**
             * Frame url.
             */
            url: string;
            /**
             * Message that will be displayed by the dialog.
             */
            message: string;
            /**
             * Dialog type.
             */
            type: DialogType;
            /**
             * True iff browser is capable showing or acting on the given dialog. When browser has no
             * dialog handler for given target, calling alert while Page domain is engaged will stall
             * the page execution. Execution can be resumed via calling Page.handleJavaScriptDialog.
             */
            hasBrowserHandler: boolean;
            /**
             * Default dialog prompt.
             */
            defaultPrompt?: string;
        }

        /**
         * Fired for top level page lifecycle events such as navigation, load, paint, etc.
         */
        export interface LifecycleEventEvent {
            /**
             * Id of the frame.
             */
            frameId: FrameId;
            /**
             * Loader identifier. Empty string if the request is fetched from worker.
             */
            loaderId: Network.LoaderId;
            name: string;
            timestamp: Network.MonotonicTime;
        }

        export interface LoadEventFiredEvent {
            timestamp: Network.MonotonicTime;
        }

        /**
         * Fired when same-document navigation happens, e.g. due to history API usage or anchor navigation.
         */
        export interface NavigatedWithinDocumentEvent {
            /**
             * Id of the frame.
             */
            frameId: FrameId;
            /**
             * Frame's new url.
             */
            url: string;
        }

        /**
         * Compressed image data requested by the `startScreencast`.
         */
        export interface ScreencastFrameEvent {
            /**
             * Base64-encoded compressed image.
             */
            data: string;
            /**
             * Screencast frame metadata.
             */
            metadata: ScreencastFrameMetadata;
            /**
             * Frame number.
             */
            sessionId: integer;
        }

        /**
         * Fired when the page with currently enabled screencast was shown or hidden `.
         */
        export interface ScreencastVisibilityChangedEvent {
            /**
             * True if the page is visible.
             */
            visible: boolean;
        }

        /**
         * Fired when a new window is going to be opened, via window.open(), link click, form submission,
         * etc.
         */
        export interface WindowOpenEvent {
            /**
             * The URL for the new window.
             */
            url: string;
            /**
             * Window name.
             */
            windowName: string;
            /**
             * An array of enabled window features.
             */
            windowFeatures: string[];
            /**
             * Whether or not it was triggered by user gesture.
             */
            userGesture: boolean;
        }

        /**
         * Issued for every compilation cache generated. Is only available
         * if Page.setGenerateCompilationCache is enabled.
         */
        export interface CompilationCacheProducedEvent {
            url: string;
            /**
             * Base64-encoded data
             */
            data: string;
        }
    }

    export namespace Performance {

        /**
         * Run-time execution metric.
         */
        export interface Metric {
            /**
             * Metric name.
             */
            name: string;
            /**
             * Metric value.
             */
            value: number;
        }

        export const enum EnableRequestTimeDomain {
            TimeTicks = 'timeTicks',
            ThreadTicks = 'threadTicks',
        }

        export interface EnableRequest {
            /**
             * Time domain to use for collecting and reporting duration metrics. (EnableRequestTimeDomain enum)
             */
            timeDomain?: ('timeTicks' | 'threadTicks');
        }

        export const enum SetTimeDomainRequestTimeDomain {
            TimeTicks = 'timeTicks',
            ThreadTicks = 'threadTicks',
        }

        export interface SetTimeDomainRequest {
            /**
             * Time domain (SetTimeDomainRequestTimeDomain enum)
             */
            timeDomain: ('timeTicks' | 'threadTicks');
        }

        export interface GetMetricsResponse {
            /**
             * Current values for run-time metrics.
             */
            metrics: Metric[];
        }

        /**
         * Current values of the metrics.
         */
        export interface MetricsEvent {
            /**
             * Current values of the metrics.
             */
            metrics: Metric[];
            /**
             * Timestamp title.
             */
            title: string;
        }
    }

    /**
     * Security
     */
    export namespace Security {

        /**
         * An internal certificate ID value.
         */
        export type CertificateId = integer;

        /**
         * A description of mixed content (HTTP resources on HTTPS pages), as defined by
         * https://www.w3.org/TR/mixed-content/#categories
         */
        export type MixedContentType = ('blockable' | 'optionally-blockable' | 'none');

        /**
         * The security level of a page or resource.
         */
        export type SecurityState = ('unknown' | 'neutral' | 'insecure' | 'secure' | 'info' | 'insecure-broken');

        /**
         * Details about the security state of the page certificate.
         */
        export interface CertificateSecurityState {
            /**
             * Protocol name (e.g. "TLS 1.2" or "QUIC").
             */
            protocol: string;
            /**
             * Key Exchange used by the connection, or the empty string if not applicable.
             */
            keyExchange: string;
            /**
             * (EC)DH group used by the connection, if applicable.
             */
            keyExchangeGroup?: string;
            /**
             * Cipher name.
             */
            cipher: string;
            /**
             * TLS MAC. Note that AEAD ciphers do not have separate MACs.
             */
            mac?: string;
            /**
             * Page certificate.
             */
            certificate: string[];
            /**
             * Certificate subject name.
             */
            subjectName: string;
            /**
             * Name of the issuing CA.
             */
            issuer: string;
            /**
             * Certificate valid from date.
             */
            validFrom: Network.TimeSinceEpoch;
            /**
             * Certificate valid to (expiration) date
             */
            validTo: Network.TimeSinceEpoch;
            /**
             * The highest priority network error code, if the certificate has an error.
             */
            certificateNetworkError?: string;
            /**
             * True if the certificate uses a weak signature aglorithm.
             */
            certificateHasWeakSignature: boolean;
            /**
             * True if the certificate has a SHA1 signature in the chain.
             */
            certificateHasSha1Signature: boolean;
            /**
             * True if modern SSL
             */
            modernSSL: boolean;
            /**
             * True if the connection is using an obsolete SSL protocol.
             */
            obsoleteSslProtocol: boolean;
            /**
             * True if the connection is using an obsolete SSL key exchange.
             */
            obsoleteSslKeyExchange: boolean;
            /**
             * True if the connection is using an obsolete SSL cipher.
             */
            obsoleteSslCipher: boolean;
            /**
             * True if the connection is using an obsolete SSL signature.
             */
            obsoleteSslSignature: boolean;
        }

        export type SafetyTipStatus = ('badReputation' | 'lookalike');

        export interface SafetyTipInfo {
            /**
             * Describes whether the page triggers any safety tips or reputation warnings. Default is unknown.
             */
            safetyTipStatus: SafetyTipStatus;
            /**
             * The URL the safety tip suggested ("Did you mean?"). Only filled in for lookalike matches.
             */
            safeUrl?: string;
        }

        /**
         * Security state information about the page.
         */
        export interface VisibleSecurityState {
            /**
             * The security level of the page.
             */
            securityState: SecurityState;
            /**
             * Security state details about the page certificate.
             */
            certificateSecurityState?: CertificateSecurityState;
            /**
             * The type of Safety Tip triggered on the page. Note that this field will be set even if the Safety Tip UI was not actually shown.
             */
            safetyTipInfo?: SafetyTipInfo;
            /**
             * Array of security state issues ids.
             */
            securityStateIssueIds: string[];
        }

        /**
         * An explanation of an factor contributing to the security state.
         */
        export interface SecurityStateExplanation {
            /**
             * Security state representing the severity of the factor being explained.
             */
            securityState: SecurityState;
            /**
             * Title describing the type of factor.
             */
            title: string;
            /**
             * Short phrase describing the type of factor.
             */
            summary: string;
            /**
             * Full text explanation of the factor.
             */
            description: string;
            /**
             * The type of mixed content described by the explanation.
             */
            mixedContentType: MixedContentType;
            /**
             * Page certificate.
             */
            certificate: string[];
            /**
             * Recommendations to fix any issues.
             */
            recommendations?: string[];
        }

        /**
         * Information about insecure content on the page.
         */
        export interface InsecureContentStatus {
            /**
             * Always false.
             */
            ranMixedContent: boolean;
            /**
             * Always false.
             */
            displayedMixedContent: boolean;
            /**
             * Always false.
             */
            containedMixedForm: boolean;
            /**
             * Always false.
             */
            ranContentWithCertErrors: boolean;
            /**
             * Always false.
             */
            displayedContentWithCertErrors: boolean;
            /**
             * Always set to unknown.
             */
            ranInsecureContentStyle: SecurityState;
            /**
             * Always set to unknown.
             */
            displayedInsecureContentStyle: SecurityState;
        }

        /**
         * The action to take when a certificate error occurs. continue will continue processing the
         * request and cancel will cancel the request.
         */
        export type CertificateErrorAction = ('continue' | 'cancel');

        export interface SetIgnoreCertificateErrorsRequest {
            /**
             * If true, all certificate errors will be ignored.
             */
            ignore: boolean;
        }

        export interface HandleCertificateErrorRequest {
            /**
             * The ID of the event.
             */
            eventId: integer;
            /**
             * The action to take on the certificate error.
             */
            action: CertificateErrorAction;
        }

        export interface SetOverrideCertificateErrorsRequest {
            /**
             * If true, certificate errors will be overridden.
             */
            override: boolean;
        }

        /**
         * There is a certificate error. If overriding certificate errors is enabled, then it should be
         * handled with the `handleCertificateError` command. Note: this event does not fire if the
         * certificate error has been allowed internally. Only one client per target should override
         * certificate errors at the same time.
         */
        export interface CertificateErrorEvent {
            /**
             * The ID of the event.
             */
            eventId: integer;
            /**
             * The type of the error.
             */
            errorType: string;
            /**
             * The url that was requested.
             */
            requestURL: string;
        }

        /**
         * The security state of the page changed.
         */
        export interface VisibleSecurityStateChangedEvent {
            /**
             * Security state information about the page.
             */
            visibleSecurityState: VisibleSecurityState;
        }

        /**
         * The security state of the page changed.
         */
        export interface SecurityStateChangedEvent {
            /**
             * Security state.
             */
            securityState: SecurityState;
            /**
             * True if the page was loaded over cryptographic transport such as HTTPS.
             */
            schemeIsCryptographic: boolean;
            /**
             * List of explanations for the security state. If the overall security state is `insecure` or
             * `warning`, at least one corresponding explanation should be included.
             */
            explanations: SecurityStateExplanation[];
            /**
             * Information about insecure content on the page.
             */
            insecureContentStatus: InsecureContentStatus;
            /**
             * Overrides user-visible description of the state.
             */
            summary?: string;
        }
    }

    export namespace ServiceWorker {

        export type RegistrationID = string;

        /**
         * ServiceWorker registration.
         */
        export interface ServiceWorkerRegistration {
            registrationId: RegistrationID;
            scopeURL: string;
            isDeleted: boolean;
        }

        export type ServiceWorkerVersionRunningStatus = ('stopped' | 'starting' | 'running' | 'stopping');

        export type ServiceWorkerVersionStatus = ('new' | 'installing' | 'installed' | 'activating' | 'activated' | 'redundant');

        /**
         * ServiceWorker version.
         */
        export interface ServiceWorkerVersion {
            versionId: string;
            registrationId: RegistrationID;
            scriptURL: string;
            runningStatus: ServiceWorkerVersionRunningStatus;
            status: ServiceWorkerVersionStatus;
            /**
             * The Last-Modified header value of the main script.
             */
            scriptLastModified?: number;
            /**
             * The time at which the response headers of the main script were received from the server.
             * For cached script it is the last time the cache entry was validated.
             */
            scriptResponseTime?: number;
            controlledClients?: Target.TargetID[];
            targetId?: Target.TargetID;
        }

        /**
         * ServiceWorker error message.
         */
        export interface ServiceWorkerErrorMessage {
            errorMessage: string;
            registrationId: RegistrationID;
            versionId: string;
            sourceURL: string;
            lineNumber: integer;
            columnNumber: integer;
        }

        export interface DeliverPushMessageRequest {
            origin: string;
            registrationId: RegistrationID;
            data: string;
        }

        export interface DispatchSyncEventRequest {
            origin: string;
            registrationId: RegistrationID;
            tag: string;
            lastChance: boolean;
        }

        export interface DispatchPeriodicSyncEventRequest {
            origin: string;
            registrationId: RegistrationID;
            tag: string;
        }

        export interface InspectWorkerRequest {
            versionId: string;
        }

        export interface SetForceUpdateOnPageLoadRequest {
            forceUpdateOnPageLoad: boolean;
        }

        export interface SkipWaitingRequest {
            scopeURL: string;
        }

        export interface StartWorkerRequest {
            scopeURL: string;
        }

        export interface StopWorkerRequest {
            versionId: string;
        }

        export interface UnregisterRequest {
            scopeURL: string;
        }

        export interface UpdateRegistrationRequest {
            scopeURL: string;
        }

        export interface WorkerErrorReportedEvent {
            errorMessage: ServiceWorkerErrorMessage;
        }

        export interface WorkerRegistrationUpdatedEvent {
            registrations: ServiceWorkerRegistration[];
        }

        export interface WorkerVersionUpdatedEvent {
            versions: ServiceWorkerVersion[];
        }
    }

    export namespace Storage {

        /**
         * Enum of possible storage types.
         */
        export type StorageType = ('appcache' | 'cookies' | 'file_systems' | 'indexeddb' | 'local_storage' | 'shader_cache' | 'websql' | 'service_workers' | 'cache_storage' | 'all' | 'other');

        /**
         * Usage for a storage type.
         */
        export interface UsageForType {
            /**
             * Name of storage type.
             */
            storageType: StorageType;
            /**
             * Storage usage (bytes).
             */
            usage: number;
        }

        export interface ClearDataForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
            /**
             * Comma separated list of StorageType to clear.
             */
            storageTypes: string;
        }

        export interface GetCookiesRequest {
            /**
             * Browser context to use when called on the browser endpoint.
             */
            browserContextId?: Browser.BrowserContextID;
        }

        export interface GetCookiesResponse {
            /**
             * Array of cookie objects.
             */
            cookies: Network.Cookie[];
        }

        export interface SetCookiesRequest {
            /**
             * Cookies to be set.
             */
            cookies: Network.CookieParam[];
            /**
             * Browser context to use when called on the browser endpoint.
             */
            browserContextId?: Browser.BrowserContextID;
        }

        export interface ClearCookiesRequest {
            /**
             * Browser context to use when called on the browser endpoint.
             */
            browserContextId?: Browser.BrowserContextID;
        }

        export interface GetUsageAndQuotaRequest {
            /**
             * Security origin.
             */
            origin: string;
        }

        export interface GetUsageAndQuotaResponse {
            /**
             * Storage usage (bytes).
             */
            usage: number;
            /**
             * Storage quota (bytes).
             */
            quota: number;
            /**
             * Storage usage per type (bytes).
             */
            usageBreakdown: UsageForType[];
        }

        export interface TrackCacheStorageForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
        }

        export interface TrackIndexedDBForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
        }

        export interface UntrackCacheStorageForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
        }

        export interface UntrackIndexedDBForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
        }

        /**
         * A cache's contents have been modified.
         */
        export interface CacheStorageContentUpdatedEvent {
            /**
             * Origin to update.
             */
            origin: string;
            /**
             * Name of cache in origin.
             */
            cacheName: string;
        }

        /**
         * A cache has been added/deleted.
         */
        export interface CacheStorageListUpdatedEvent {
            /**
             * Origin to update.
             */
            origin: string;
        }

        /**
         * The origin's IndexedDB object store has been modified.
         */
        export interface IndexedDBContentUpdatedEvent {
            /**
             * Origin to update.
             */
            origin: string;
            /**
             * Database to update.
             */
            databaseName: string;
            /**
             * ObjectStore to update.
             */
            objectStoreName: string;
        }

        /**
         * The origin's IndexedDB database list has been modified.
         */
        export interface IndexedDBListUpdatedEvent {
            /**
             * Origin to update.
             */
            origin: string;
        }
    }

    /**
     * The SystemInfo domain defines methods and events for querying low-level system information.
     */
    export namespace SystemInfo {

        /**
         * Describes a single graphics processor (GPU).
         */
        export interface GPUDevice {
            /**
             * PCI ID of the GPU vendor, if available; 0 otherwise.
             */
            vendorId: number;
            /**
             * PCI ID of the GPU device, if available; 0 otherwise.
             */
            deviceId: number;
            /**
             * Sub sys ID of the GPU, only available on Windows.
             */
            subSysId?: number;
            /**
             * Revision of the GPU, only available on Windows.
             */
            revision?: number;
            /**
             * String description of the GPU vendor, if the PCI ID is not available.
             */
            vendorString: string;
            /**
             * String description of the GPU device, if the PCI ID is not available.
             */
            deviceString: string;
            /**
             * String description of the GPU driver vendor.
             */
            driverVendor: string;
            /**
             * String description of the GPU driver version.
             */
            driverVersion: string;
        }

        /**
         * Describes the width and height dimensions of an entity.
         */
        export interface Size {
            /**
             * Width in pixels.
             */
            width: integer;
            /**
             * Height in pixels.
             */
            height: integer;
        }

        /**
         * Describes a supported video decoding profile with its associated minimum and
         * maximum resolutions.
         */
        export interface VideoDecodeAcceleratorCapability {
            /**
             * Video codec profile that is supported, e.g. VP9 Profile 2.
             */
            profile: string;
            /**
             * Maximum video dimensions in pixels supported for this |profile|.
             */
            maxResolution: Size;
            /**
             * Minimum video dimensions in pixels supported for this |profile|.
             */
            minResolution: Size;
        }

        /**
         * Describes a supported video encoding profile with its associated maximum
         * resolution and maximum framerate.
         */
        export interface VideoEncodeAcceleratorCapability {
            /**
             * Video codec profile that is supported, e.g H264 Main.
             */
            profile: string;
            /**
             * Maximum video dimensions in pixels supported for this |profile|.
             */
            maxResolution: Size;
            /**
             * Maximum encoding framerate in frames per second supported for this
             * |profile|, as fraction's numerator and denominator, e.g. 24/1 fps,
             * 24000/1001 fps, etc.
             */
            maxFramerateNumerator: integer;
            maxFramerateDenominator: integer;
        }

        /**
         * YUV subsampling type of the pixels of a given image.
         */
        export type SubsamplingFormat = ('yuv420' | 'yuv422' | 'yuv444');

        /**
         * Image format of a given image.
         */
        export type ImageType = ('jpeg' | 'webp' | 'unknown');

        /**
         * Describes a supported image decoding profile with its associated minimum and
         * maximum resolutions and subsampling.
         */
        export interface ImageDecodeAcceleratorCapability {
            /**
             * Image coded, e.g. Jpeg.
             */
            imageType: ImageType;
            /**
             * Maximum supported dimensions of the image in pixels.
             */
            maxDimensions: Size;
            /**
             * Minimum supported dimensions of the image in pixels.
             */
            minDimensions: Size;
            /**
             * Optional array of supported subsampling formats, e.g. 4:2:0, if known.
             */
            subsamplings: SubsamplingFormat[];
        }

        /**
         * Provides information about the GPU(s) on the system.
         */
        export interface GPUInfo {
            /**
             * The graphics devices on the system. Element 0 is the primary GPU.
             */
            devices: GPUDevice[];
            /**
             * An optional dictionary of additional GPU related attributes.
             */
            auxAttributes?: any;
            /**
             * An optional dictionary of graphics features and their status.
             */
            featureStatus?: any;
            /**
             * An optional array of GPU driver bug workarounds.
             */
            driverBugWorkarounds: string[];
            /**
             * Supported accelerated video decoding capabilities.
             */
            videoDecoding: VideoDecodeAcceleratorCapability[];
            /**
             * Supported accelerated video encoding capabilities.
             */
            videoEncoding: VideoEncodeAcceleratorCapability[];
            /**
             * Supported accelerated image decoding capabilities.
             */
            imageDecoding: ImageDecodeAcceleratorCapability[];
        }

        /**
         * Represents process info.
         */
        export interface ProcessInfo {
            /**
             * Specifies process type.
             */
            type: string;
            /**
             * Specifies process id.
             */
            id: integer;
            /**
             * Specifies cumulative CPU usage in seconds across all threads of the
             * process since the process start.
             */
            cpuTime: number;
        }

        export interface GetInfoResponse {
            /**
             * Information about the GPUs on the system.
             */
            gpu: GPUInfo;
            /**
             * A platform-dependent description of the model of the machine. On Mac OS, this is, for
             * example, 'MacBookPro'. Will be the empty string if not supported.
             */
            modelName: string;
            /**
             * A platform-dependent description of the version of the machine. On Mac OS, this is, for
             * example, '10.1'. Will be the empty string if not supported.
             */
            modelVersion: string;
            /**
             * The command line string used to launch the browser. Will be the empty string if not
             * supported.
             */
            commandLine: string;
        }

        export interface GetProcessInfoResponse {
            /**
             * An array of process info blocks.
             */
            processInfo: ProcessInfo[];
        }
    }

    /**
     * Supports additional targets discovery and allows to attach to them.
     */
    export namespace Target {

        export type TargetID = string;

        /**
         * Unique identifier of attached debugging session.
         */
        export type SessionID = string;

        export interface TargetInfo {
            targetId: TargetID;
            type: string;
            title: string;
            url: string;
            /**
             * Whether the target has an attached client.
             */
            attached: boolean;
            /**
             * Opener target Id
             */
            openerId?: TargetID;
            /**
             * Whether the opened window has access to the originating window.
             */
            canAccessOpener: boolean;
            browserContextId?: Browser.BrowserContextID;
        }

        export interface RemoteLocation {
            host: string;
            port: integer;
        }

        export interface ActivateTargetRequest {
            targetId: TargetID;
        }

        export interface AttachToTargetRequest {
            targetId: TargetID;
            /**
             * Enables "flat" access to the session via specifying sessionId attribute in the commands.
             * We plan to make this the default, deprecate non-flattened mode,
             * and eventually retire it. See crbug.com/991325.
             */
            flatten?: boolean;
        }

        export interface AttachToTargetResponse {
            /**
             * Id assigned to the session.
             */
            sessionId: SessionID;
        }

        export interface AttachToBrowserTargetResponse {
            /**
             * Id assigned to the session.
             */
            sessionId: SessionID;
        }

        export interface CloseTargetRequest {
            targetId: TargetID;
        }

        export interface CloseTargetResponse {
            success: boolean;
        }

        export interface ExposeDevToolsProtocolRequest {
            targetId: TargetID;
            /**
             * Binding name, 'cdp' if not specified.
             */
            bindingName?: string;
        }

        export interface CreateBrowserContextRequest {
            /**
             * If specified, disposes this context when debugging session disconnects.
             */
            disposeOnDetach?: boolean;
            /**
             * Proxy server, similar to the one passed to --proxy-server
             */
            proxyServer?: string;
            /**
             * Proxy bypass list, similar to the one passed to --proxy-bypass-list
             */
            proxyBypassList?: string;
        }

        export interface CreateBrowserContextResponse {
            /**
             * The id of the context created.
             */
            browserContextId: Browser.BrowserContextID;
        }

        export interface GetBrowserContextsResponse {
            /**
             * An array of browser context ids.
             */
            browserContextIds: Browser.BrowserContextID[];
        }

        export interface CreateTargetRequest {
            /**
             * The initial URL the page will be navigated to.
             */
            url: string;
            /**
             * Frame width in DIP (headless chrome only).
             */
            width?: integer;
            /**
             * Frame height in DIP (headless chrome only).
             */
            height?: integer;
            /**
             * The browser context to create the page in.
             */
            browserContextId?: Browser.BrowserContextID;
            /**
             * Whether BeginFrames for this target will be controlled via DevTools (headless chrome only,
             * not supported on MacOS yet, false by default).
             */
            enableBeginFrameControl?: boolean;
            /**
             * Whether to create a new Window or Tab (chrome-only, false by default).
             */
            newWindow?: boolean;
            /**
             * Whether to create the target in background or foreground (chrome-only,
             * false by default).
             */
            background?: boolean;
        }

        export interface CreateTargetResponse {
            /**
             * The id of the page opened.
             */
            targetId: TargetID;
        }

        export interface DetachFromTargetRequest {
            /**
             * Session to detach.
             */
            sessionId?: SessionID;
            /**
             * Deprecated.
             */
            targetId?: TargetID;
        }

        export interface DisposeBrowserContextRequest {
            browserContextId: Browser.BrowserContextID;
        }

        export interface GetTargetInfoRequest {
            targetId?: TargetID;
        }

        export interface GetTargetInfoResponse {
            targetInfo: TargetInfo;
        }

        export interface GetTargetsResponse {
            /**
             * The list of targets.
             */
            targetInfos: TargetInfo[];
        }

        export interface SendMessageToTargetRequest {
            message: string;
            /**
             * Identifier of the session.
             */
            sessionId?: SessionID;
            /**
             * Deprecated.
             */
            targetId?: TargetID;
        }

        export interface SetAutoAttachRequest {
            /**
             * Whether to auto-attach to related targets.
             */
            autoAttach: boolean;
            /**
             * Whether to pause new targets when attaching to them. Use `Runtime.runIfWaitingForDebugger`
             * to run paused targets.
             */
            waitForDebuggerOnStart: boolean;
            /**
             * Enables "flat" access to the session via specifying sessionId attribute in the commands.
             * We plan to make this the default, deprecate non-flattened mode,
             * and eventually retire it. See crbug.com/991325.
             */
            flatten?: boolean;
        }

        export interface SetDiscoverTargetsRequest {
            /**
             * Whether to discover available targets.
             */
            discover: boolean;
        }

        export interface SetRemoteLocationsRequest {
            /**
             * List of remote locations.
             */
            locations: RemoteLocation[];
        }

        /**
         * Issued when attached to target because of auto-attach or `attachToTarget` command.
         */
        export interface AttachedToTargetEvent {
            /**
             * Identifier assigned to the session used to send/receive messages.
             */
            sessionId: SessionID;
            targetInfo: TargetInfo;
            waitingForDebugger: boolean;
        }

        /**
         * Issued when detached from target for any reason (including `detachFromTarget` command). Can be
         * issued multiple times per target if multiple sessions have been attached to it.
         */
        export interface DetachedFromTargetEvent {
            /**
             * Detached session identifier.
             */
            sessionId: SessionID;
            /**
             * Deprecated.
             */
            targetId?: TargetID;
        }

        /**
         * Notifies about a new protocol message received from the session (as reported in
         * `attachedToTarget` event).
         */
        export interface ReceivedMessageFromTargetEvent {
            /**
             * Identifier of a session which sends a message.
             */
            sessionId: SessionID;
            message: string;
            /**
             * Deprecated.
             */
            targetId?: TargetID;
        }

        /**
         * Issued when a possible inspection target is created.
         */
        export interface TargetCreatedEvent {
            targetInfo: TargetInfo;
        }

        /**
         * Issued when a target is destroyed.
         */
        export interface TargetDestroyedEvent {
            targetId: TargetID;
        }

        /**
         * Issued when a target has crashed.
         */
        export interface TargetCrashedEvent {
            targetId: TargetID;
            /**
             * Termination status type.
             */
            status: string;
            /**
             * Termination error code.
             */
            errorCode: integer;
        }

        /**
         * Issued when some information about a target has changed. This only happens between
         * `targetCreated` and `targetDestroyed`.
         */
        export interface TargetInfoChangedEvent {
            targetInfo: TargetInfo;
        }
    }

    /**
     * The Tethering domain defines methods and events for browser port binding.
     */
    export namespace Tethering {

        export interface BindRequest {
            /**
             * Port number to bind.
             */
            port: integer;
        }

        export interface UnbindRequest {
            /**
             * Port number to unbind.
             */
            port: integer;
        }

        /**
         * Informs that port was successfully bound and got a specified connection id.
         */
        export interface AcceptedEvent {
            /**
             * Port number that was successfully bound.
             */
            port: integer;
            /**
             * Connection id to be used.
             */
            connectionId: string;
        }
    }

    export namespace Tracing {

        /**
         * Configuration for memory dump. Used only when "memory-infra" category is enabled.
         */
        export interface MemoryDumpConfig {
            [key: string]: string;
        }

        export const enum TraceConfigRecordMode {
            RecordUntilFull = 'recordUntilFull',
            RecordContinuously = 'recordContinuously',
            RecordAsMuchAsPossible = 'recordAsMuchAsPossible',
            EchoToConsole = 'echoToConsole',
        }

        export interface TraceConfig {
            /**
             * Controls how the trace buffer stores data. (TraceConfigRecordMode enum)
             */
            recordMode?: ('recordUntilFull' | 'recordContinuously' | 'recordAsMuchAsPossible' | 'echoToConsole');
            /**
             * Turns on JavaScript stack sampling.
             */
            enableSampling?: boolean;
            /**
             * Turns on system tracing.
             */
            enableSystrace?: boolean;
            /**
             * Turns on argument filter.
             */
            enableArgumentFilter?: boolean;
            /**
             * Included category filters.
             */
            includedCategories?: string[];
            /**
             * Excluded category filters.
             */
            excludedCategories?: string[];
            /**
             * Configuration to synthesize the delays in tracing.
             */
            syntheticDelays?: string[];
            /**
             * Configuration for memory dump triggers. Used only when "memory-infra" category is enabled.
             */
            memoryDumpConfig?: MemoryDumpConfig;
        }

        /**
         * Data format of a trace. Can be either the legacy JSON format or the
         * protocol buffer format. Note that the JSON format will be deprecated soon.
         */
        export type StreamFormat = ('json' | 'proto');

        /**
         * Compression type to use for traces returned via streams.
         */
        export type StreamCompression = ('none' | 'gzip');

        export interface GetCategoriesResponse {
            /**
             * A list of supported tracing categories.
             */
            categories: string[];
        }

        export interface RecordClockSyncMarkerRequest {
            /**
             * The ID of this clock sync marker
             */
            syncId: string;
        }

        export interface RequestMemoryDumpRequest {
            /**
             * Enables more deterministic results by forcing garbage collection
             */
            deterministic?: boolean;
        }

        export interface RequestMemoryDumpResponse {
            /**
             * GUID of the resulting global memory dump.
             */
            dumpGuid: string;
            /**
             * True iff the global memory dump succeeded.
             */
            success: boolean;
        }

        export const enum StartRequestTransferMode {
            ReportEvents = 'ReportEvents',
            ReturnAsStream = 'ReturnAsStream',
        }

        export interface StartRequest {
            /**
             * Category/tag filter
             */
            categories?: string;
            /**
             * Tracing options
             */
            options?: string;
            /**
             * If set, the agent will issue bufferUsage events at this interval, specified in milliseconds
             */
            bufferUsageReportingInterval?: number;
            /**
             * Whether to report trace events as series of dataCollected events or to save trace to a
             * stream (defaults to `ReportEvents`). (StartRequestTransferMode enum)
             */
            transferMode?: ('ReportEvents' | 'ReturnAsStream');
            /**
             * Trace data format to use. This only applies when using `ReturnAsStream`
             * transfer mode (defaults to `json`).
             */
            streamFormat?: StreamFormat;
            /**
             * Compression format to use. This only applies when using `ReturnAsStream`
             * transfer mode (defaults to `none`)
             */
            streamCompression?: StreamCompression;
            traceConfig?: TraceConfig;
        }

        export interface BufferUsageEvent {
            /**
             * A number in range [0..1] that indicates the used size of event buffer as a fraction of its
             * total size.
             */
            percentFull?: number;
            /**
             * An approximate number of events in the trace log.
             */
            eventCount?: number;
            /**
             * A number in range [0..1] that indicates the used size of event buffer as a fraction of its
             * total size.
             */
            value?: number;
        }

        /**
         * Contains an bucket of collected trace events. When tracing is stopped collected events will be
         * send as a sequence of dataCollected events followed by tracingComplete event.
         */
        export interface DataCollectedEvent {
            value: any[];
        }

        /**
         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
         * delivered via dataCollected events.
         */
        export interface TracingCompleteEvent {
            /**
             * Indicates whether some trace data is known to have been lost, e.g. because the trace ring
             * buffer wrapped around.
             */
            dataLossOccurred: boolean;
            /**
             * A handle of the stream that holds resulting trace data.
             */
            stream?: IO.StreamHandle;
            /**
             * Trace data format of returned stream.
             */
            traceFormat?: StreamFormat;
            /**
             * Compression format of returned stream.
             */
            streamCompression?: StreamCompression;
        }
    }

    /**
     * A domain for letting clients substitute browser's network layer with client code.
     */
    export namespace Fetch {

        /**
         * Unique request identifier.
         */
        export type RequestId = string;

        /**
         * Stages of the request to handle. Request will intercept before the request is
         * sent. Response will intercept after the response is received (but before response
         * body is received.
         */
        export type RequestStage = ('Request' | 'Response');

        export interface RequestPattern {
            /**
             * Wildcards ('*' -> zero or more, '?' -> exactly one) are allowed. Escape character is
             * backslash. Omitting is equivalent to "*".
             */
            urlPattern?: string;
            /**
             * If set, only requests for matching resource types will be intercepted.
             */
            resourceType?: Network.ResourceType;
            /**
             * Stage at wich to begin intercepting requests. Default is Request.
             */
            requestStage?: RequestStage;
        }

        /**
         * Response HTTP header entry
         */
        export interface HeaderEntry {
            name: string;
            value: string;
        }

        export const enum AuthChallengeSource {
            Server = 'Server',
            Proxy = 'Proxy',
        }

        /**
         * Authorization challenge for HTTP status code 401 or 407.
         */
        export interface AuthChallenge {
            /**
             * Source of the authentication challenge. (AuthChallengeSource enum)
             */
            source?: ('Server' | 'Proxy');
            /**
             * Origin of the challenger.
             */
            origin: string;
            /**
             * The authentication scheme used, such as basic or digest
             */
            scheme: string;
            /**
             * The realm of the challenge. May be empty.
             */
            realm: string;
        }

        export const enum AuthChallengeResponseResponse {
            Default = 'Default',
            CancelAuth = 'CancelAuth',
            ProvideCredentials = 'ProvideCredentials',
        }

        /**
         * Response to an AuthChallenge.
         */
        export interface AuthChallengeResponse {
            /**
             * The decision on what to do in response to the authorization challenge.  Default means
             * deferring to the default behavior of the net stack, which will likely either the Cancel
             * authentication or display a popup dialog box. (AuthChallengeResponseResponse enum)
             */
            response: ('Default' | 'CancelAuth' | 'ProvideCredentials');
            /**
             * The username to provide, possibly empty. Should only be set if response is
             * ProvideCredentials.
             */
            username?: string;
            /**
             * The password to provide, possibly empty. Should only be set if response is
             * ProvideCredentials.
             */
            password?: string;
        }

        export interface EnableRequest {
            /**
             * If specified, only requests matching any of these patterns will produce
             * fetchRequested event and will be paused until clients response. If not set,
             * all requests will be affected.
             */
            patterns?: RequestPattern[];
            /**
             * If true, authRequired events will be issued and requests will be paused
             * expecting a call to continueWithAuth.
             */
            handleAuthRequests?: boolean;
        }

        export interface FailRequestRequest {
            /**
             * An id the client received in requestPaused event.
             */
            requestId: RequestId;
            /**
             * Causes the request to fail with the given reason.
             */
            errorReason: Network.ErrorReason;
        }

        export interface FulfillRequestRequest {
            /**
             * An id the client received in requestPaused event.
             */
            requestId: RequestId;
            /**
             * An HTTP response code.
             */
            responseCode: integer;
            /**
             * Response headers.
             */
            responseHeaders?: HeaderEntry[];
            /**
             * Alternative way of specifying response headers as a \0-separated
             * series of name: value pairs. Prefer the above method unless you
             * need to represent some non-UTF8 values that can't be transmitted
             * over the protocol as text.
             */
            binaryResponseHeaders?: string;
            /**
             * A response body.
             */
            body?: string;
            /**
             * A textual representation of responseCode.
             * If absent, a standard phrase matching responseCode is used.
             */
            responsePhrase?: string;
        }

        export interface ContinueRequestRequest {
            /**
             * An id the client received in requestPaused event.
             */
            requestId: RequestId;
            /**
             * If set, the request url will be modified in a way that's not observable by page.
             */
            url?: string;
            /**
             * If set, the request method is overridden.
             */
            method?: string;
            /**
             * If set, overrides the post data in the request.
             */
            postData?: string;
            /**
             * If set, overrides the request headers.
             */
            headers?: HeaderEntry[];
        }

        export interface ContinueWithAuthRequest {
            /**
             * An id the client received in authRequired event.
             */
            requestId: RequestId;
            /**
             * Response to  with an authChallenge.
             */
            authChallengeResponse: AuthChallengeResponse;
        }

        export interface GetResponseBodyRequest {
            /**
             * Identifier for the intercepted request to get body for.
             */
            requestId: RequestId;
        }

        export interface GetResponseBodyResponse {
            /**
             * Response body.
             */
            body: string;
            /**
             * True, if content was sent as base64.
             */
            base64Encoded: boolean;
        }

        export interface TakeResponseBodyAsStreamRequest {
            requestId: RequestId;
        }

        export interface TakeResponseBodyAsStreamResponse {
            stream: IO.StreamHandle;
        }

        /**
         * Issued when the domain is enabled and the request URL matches the
         * specified filter. The request is paused until the client responds
         * with one of continueRequest, failRequest or fulfillRequest.
         * The stage of the request can be determined by presence of responseErrorReason
         * and responseStatusCode -- the request is at the response stage if either
         * of these fields is present and in the request stage otherwise.
         */
        export interface RequestPausedEvent {
            /**
             * Each request the page makes will have a unique id.
             */
            requestId: RequestId;
            /**
             * The details of the request.
             */
            request: Network.Request;
            /**
             * The id of the frame that initiated the request.
             */
            frameId: Page.FrameId;
            /**
             * How the requested resource will be used.
             */
            resourceType: Network.ResourceType;
            /**
             * Response error if intercepted at response stage.
             */
            responseErrorReason?: Network.ErrorReason;
            /**
             * Response code if intercepted at response stage.
             */
            responseStatusCode?: integer;
            /**
             * Response headers if intercepted at the response stage.
             */
            responseHeaders?: HeaderEntry[];
            /**
             * If the intercepted request had a corresponding Network.requestWillBeSent event fired for it,
             * then this networkId will be the same as the requestId present in the requestWillBeSent event.
             */
            networkId?: RequestId;
        }

        /**
         * Issued when the domain is enabled with handleAuthRequests set to true.
         * The request is paused until client responds with continueWithAuth.
         */
        export interface AuthRequiredEvent {
            /**
             * Each request the page makes will have a unique id.
             */
            requestId: RequestId;
            /**
             * The details of the request.
             */
            request: Network.Request;
            /**
             * The id of the frame that initiated the request.
             */
            frameId: Page.FrameId;
            /**
             * How the requested resource will be used.
             */
            resourceType: Network.ResourceType;
            /**
             * Details of the Authorization Challenge encountered.
             * If this is set, client should respond with continueRequest that
             * contains AuthChallengeResponse.
             */
            authChallenge: AuthChallenge;
        }
    }

    /**
     * This domain allows inspection of Web Audio API.
     * https://webaudio.github.io/web-audio-api/
     */
    export namespace WebAudio {

        /**
         * An unique ID for a graph object (AudioContext, AudioNode, AudioParam) in Web Audio API
         */
        export type GraphObjectId = string;

        /**
         * Enum of BaseAudioContext types
         */
        export type ContextType = ('realtime' | 'offline');

        /**
         * Enum of AudioContextState from the spec
         */
        export type ContextState = ('suspended' | 'running' | 'closed');

        /**
         * Enum of AudioNode types
         */
        export type NodeType = string;

        /**
         * Enum of AudioNode::ChannelCountMode from the spec
         */
        export type ChannelCountMode = ('clamped-max' | 'explicit' | 'max');

        /**
         * Enum of AudioNode::ChannelInterpretation from the spec
         */
        export type ChannelInterpretation = ('discrete' | 'speakers');

        /**
         * Enum of AudioParam types
         */
        export type ParamType = string;

        /**
         * Enum of AudioParam::AutomationRate from the spec
         */
        export type AutomationRate = ('a-rate' | 'k-rate');

        /**
         * Fields in AudioContext that change in real-time.
         */
        export interface ContextRealtimeData {
            /**
             * The current context time in second in BaseAudioContext.
             */
            currentTime: number;
            /**
             * The time spent on rendering graph divided by render qunatum duration,
             * and multiplied by 100. 100 means the audio renderer reached the full
             * capacity and glitch may occur.
             */
            renderCapacity: number;
            /**
             * A running mean of callback interval.
             */
            callbackIntervalMean: number;
            /**
             * A running variance of callback interval.
             */
            callbackIntervalVariance: number;
        }

        /**
         * Protocol object for BaseAudioContext
         */
        export interface BaseAudioContext {
            contextId: GraphObjectId;
            contextType: ContextType;
            contextState: ContextState;
            realtimeData?: ContextRealtimeData;
            /**
             * Platform-dependent callback buffer size.
             */
            callbackBufferSize: number;
            /**
             * Number of output channels supported by audio hardware in use.
             */
            maxOutputChannelCount: number;
            /**
             * Context sample rate.
             */
            sampleRate: number;
        }

        /**
         * Protocol object for AudioListner
         */
        export interface AudioListener {
            listenerId: GraphObjectId;
            contextId: GraphObjectId;
        }

        /**
         * Protocol object for AudioNode
         */
        export interface AudioNode {
            nodeId: GraphObjectId;
            contextId: GraphObjectId;
            nodeType: NodeType;
            numberOfInputs: number;
            numberOfOutputs: number;
            channelCount: number;
            channelCountMode: ChannelCountMode;
            channelInterpretation: ChannelInterpretation;
        }

        /**
         * Protocol object for AudioParam
         */
        export interface AudioParam {
            paramId: GraphObjectId;
            nodeId: GraphObjectId;
            contextId: GraphObjectId;
            paramType: ParamType;
            rate: AutomationRate;
            defaultValue: number;
            minValue: number;
            maxValue: number;
        }

        export interface GetRealtimeDataRequest {
            contextId: GraphObjectId;
        }

        export interface GetRealtimeDataResponse {
            realtimeData: ContextRealtimeData;
        }

        /**
         * Notifies that a new BaseAudioContext has been created.
         */
        export interface ContextCreatedEvent {
            context: BaseAudioContext;
        }

        /**
         * Notifies that an existing BaseAudioContext will be destroyed.
         */
        export interface ContextWillBeDestroyedEvent {
            contextId: GraphObjectId;
        }

        /**
         * Notifies that existing BaseAudioContext has changed some properties (id stays the same)..
         */
        export interface ContextChangedEvent {
            context: BaseAudioContext;
        }

        /**
         * Notifies that the construction of an AudioListener has finished.
         */
        export interface AudioListenerCreatedEvent {
            listener: AudioListener;
        }

        /**
         * Notifies that a new AudioListener has been created.
         */
        export interface AudioListenerWillBeDestroyedEvent {
            contextId: GraphObjectId;
            listenerId: GraphObjectId;
        }

        /**
         * Notifies that a new AudioNode has been created.
         */
        export interface AudioNodeCreatedEvent {
            node: AudioNode;
        }

        /**
         * Notifies that an existing AudioNode has been destroyed.
         */
        export interface AudioNodeWillBeDestroyedEvent {
            contextId: GraphObjectId;
            nodeId: GraphObjectId;
        }

        /**
         * Notifies that a new AudioParam has been created.
         */
        export interface AudioParamCreatedEvent {
            param: AudioParam;
        }

        /**
         * Notifies that an existing AudioParam has been destroyed.
         */
        export interface AudioParamWillBeDestroyedEvent {
            contextId: GraphObjectId;
            nodeId: GraphObjectId;
            paramId: GraphObjectId;
        }

        /**
         * Notifies that two AudioNodes are connected.
         */
        export interface NodesConnectedEvent {
            contextId: GraphObjectId;
            sourceId: GraphObjectId;
            destinationId: GraphObjectId;
            sourceOutputIndex?: number;
            destinationInputIndex?: number;
        }

        /**
         * Notifies that AudioNodes are disconnected. The destination can be null, and it means all the outgoing connections from the source are disconnected.
         */
        export interface NodesDisconnectedEvent {
            contextId: GraphObjectId;
            sourceId: GraphObjectId;
            destinationId: GraphObjectId;
            sourceOutputIndex?: number;
            destinationInputIndex?: number;
        }

        /**
         * Notifies that an AudioNode is connected to an AudioParam.
         */
        export interface NodeParamConnectedEvent {
            contextId: GraphObjectId;
            sourceId: GraphObjectId;
            destinationId: GraphObjectId;
            sourceOutputIndex?: number;
        }

        /**
         * Notifies that an AudioNode is disconnected to an AudioParam.
         */
        export interface NodeParamDisconnectedEvent {
            contextId: GraphObjectId;
            sourceId: GraphObjectId;
            destinationId: GraphObjectId;
            sourceOutputIndex?: number;
        }
    }

    /**
     * This domain allows configuring virtual authenticators to test the WebAuthn
     * API.
     */
    export namespace WebAuthn {

        export type AuthenticatorId = string;

        export type AuthenticatorProtocol = ('u2f' | 'ctap2');

        export type AuthenticatorTransport = ('usb' | 'nfc' | 'ble' | 'cable' | 'internal');

        export interface VirtualAuthenticatorOptions {
            protocol: AuthenticatorProtocol;
            transport: AuthenticatorTransport;
            /**
             * Defaults to false.
             */
            hasResidentKey?: boolean;
            /**
             * Defaults to false.
             */
            hasUserVerification?: boolean;
            /**
             * If set to true, tests of user presence will succeed immediately.
             * Otherwise, they will not be resolved. Defaults to true.
             */
            automaticPresenceSimulation?: boolean;
            /**
             * Sets whether User Verification succeeds or fails for an authenticator.
             * Defaults to false.
             */
            isUserVerified?: boolean;
        }

        export interface Credential {
            credentialId: string;
            isResidentCredential: boolean;
            /**
             * Relying Party ID the credential is scoped to. Must be set when adding a
             * credential.
             */
            rpId?: string;
            /**
             * The ECDSA P-256 private key in PKCS#8 format.
             */
            privateKey: string;
            /**
             * An opaque byte sequence with a maximum size of 64 bytes mapping the
             * credential to a specific user.
             */
            userHandle?: string;
            /**
             * Signature counter. This is incremented by one for each successful
             * assertion.
             * See https://w3c.github.io/webauthn/#signature-counter
             */
            signCount: integer;
        }

        export interface AddVirtualAuthenticatorRequest {
            options: VirtualAuthenticatorOptions;
        }

        export interface AddVirtualAuthenticatorResponse {
            authenticatorId: AuthenticatorId;
        }

        export interface RemoveVirtualAuthenticatorRequest {
            authenticatorId: AuthenticatorId;
        }

        export interface AddCredentialRequest {
            authenticatorId: AuthenticatorId;
            credential: Credential;
        }

        export interface GetCredentialRequest {
            authenticatorId: AuthenticatorId;
            credentialId: string;
        }

        export interface GetCredentialResponse {
            credential: Credential;
        }

        export interface GetCredentialsRequest {
            authenticatorId: AuthenticatorId;
        }

        export interface GetCredentialsResponse {
            credentials: Credential[];
        }

        export interface RemoveCredentialRequest {
            authenticatorId: AuthenticatorId;
            credentialId: string;
        }

        export interface ClearCredentialsRequest {
            authenticatorId: AuthenticatorId;
        }

        export interface SetUserVerifiedRequest {
            authenticatorId: AuthenticatorId;
            isUserVerified: boolean;
        }

        export interface SetAutomaticPresenceSimulationRequest {
            authenticatorId: AuthenticatorId;
            enabled: boolean;
        }
    }

    /**
     * This domain allows detailed inspection of media elements
     */
    export namespace Media {

        /**
         * Players will get an ID that is unique within the agent context.
         */
        export type PlayerId = string;

        export type Timestamp = number;

        export const enum PlayerMessageLevel {
            Error = 'error',
            Warning = 'warning',
            Info = 'info',
            Debug = 'debug',
        }

        /**
         * Have one type per entry in MediaLogRecord::Type
         * Corresponds to kMessage
         */
        export interface PlayerMessage {
            /**
             * Keep in sync with MediaLogMessageLevel
             * We are currently keeping the message level 'error' separate from the
             * PlayerError type because right now they represent different things,
             * this one being a DVLOG(ERROR) style log message that gets printed
             * based on what log level is selected in the UI, and the other is a
             * representation of a media::PipelineStatus object. Soon however we're
             * going to be moving away from using PipelineStatus for errors and
             * introducing a new error type which should hopefully let us integrate
             * the error log level into the PlayerError type. (PlayerMessageLevel enum)
             */
            level: ('error' | 'warning' | 'info' | 'debug');
            message: string;
        }

        /**
         * Corresponds to kMediaPropertyChange
         */
        export interface PlayerProperty {
            name: string;
            value: string;
        }

        /**
         * Corresponds to kMediaEventTriggered
         */
        export interface PlayerEvent {
            timestamp: Timestamp;
            value: string;
        }

        export const enum PlayerErrorType {
            Pipeline_error = 'pipeline_error',
            Media_error = 'media_error',
        }

        /**
         * Corresponds to kMediaError
         */
        export interface PlayerError {
            /**
             *  (PlayerErrorType enum)
             */
            type: ('pipeline_error' | 'media_error');
            /**
             * When this switches to using media::Status instead of PipelineStatus
             * we can remove "errorCode" and replace it with the fields from
             * a Status instance. This also seems like a duplicate of the error
             * level enum - there is a todo bug to have that level removed and
             * use this instead. (crbug.com/1068454)
             */
            errorCode: string;
        }

        /**
         * This can be called multiple times, and can be used to set / override /
         * remove player properties. A null propValue indicates removal.
         */
        export interface PlayerPropertiesChangedEvent {
            playerId: PlayerId;
            properties: PlayerProperty[];
        }

        /**
         * Send events as a list, allowing them to be batched on the browser for less
         * congestion. If batched, events must ALWAYS be in chronological order.
         */
        export interface PlayerEventsAddedEvent {
            playerId: PlayerId;
            events: PlayerEvent[];
        }

        /**
         * Send a list of any messages that need to be delivered.
         */
        export interface PlayerMessagesLoggedEvent {
            playerId: PlayerId;
            messages: PlayerMessage[];
        }

        /**
         * Send a list of any errors that need to be delivered.
         */
        export interface PlayerErrorsRaisedEvent {
            playerId: PlayerId;
            errors: PlayerError[];
        }

        /**
         * Called whenever a player is created, or when a new agent joins and recieves
         * a list of active players. If an agent is restored, it will recieve the full
         * list of player ids and all events again.
         */
        export interface PlayersCreatedEvent {
            players: PlayerId[];
        }
    }
}

export default Protocol;