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=== tests/cases/compiler/destructureOptionalParameter.ts ===
declare function f1({ a, b }?: { a: number, b: string }): void;
>f1 : Symbol(f1, Decl(destructureOptionalParameter.ts, 0, 0))
>a : Symbol(a, Decl(destructureOptionalParameter.ts, 1, 21))
>b : Symbol(b, Decl(destructureOptionalParameter.ts, 1, 24))
>a : Symbol(a, Decl(destructureOptionalParameter.ts, 1, 32))
>b : Symbol(b, Decl(destructureOptionalParameter.ts, 1, 43))
function f2({ a, b }: { a: number, b: number } = { a: 0, b: 0 }) {
>f2 : Symbol(f2, Decl(destructureOptionalParameter.ts, 1, 63))
>a : Symbol(a, Decl(destructureOptionalParameter.ts, 3, 13))
>b : Symbol(b, Decl(destructureOptionalParameter.ts, 3, 16))
>a : Symbol(a, Decl(destructureOptionalParameter.ts, 3, 23))
>b : Symbol(b, Decl(destructureOptionalParameter.ts, 3, 34))
>a : Symbol(a, Decl(destructureOptionalParameter.ts, 3, 50))
>b : Symbol(b, Decl(destructureOptionalParameter.ts, 3, 56))
a;
>a : Symbol(a, Decl(destructureOptionalParameter.ts, 3, 13))
b;
>b : Symbol(b, Decl(destructureOptionalParameter.ts, 3, 16))
}
// Repro from #8681
interface Type { t: void }
>Type : Symbol(Type, Decl(destructureOptionalParameter.ts, 6, 1))
>t : Symbol(Type.t, Decl(destructureOptionalParameter.ts, 10, 16))
interface QueryMetadata { q: void }
>QueryMetadata : Symbol(QueryMetadata, Decl(destructureOptionalParameter.ts, 10, 26))
>q : Symbol(QueryMetadata.q, Decl(destructureOptionalParameter.ts, 11, 25))
interface QueryMetadataFactory {
>QueryMetadataFactory : Symbol(QueryMetadataFactory, Decl(destructureOptionalParameter.ts, 11, 35))
(selector: Type | string, {descendants, read}?: {
>selector : Symbol(selector, Decl(destructureOptionalParameter.ts, 14, 5))
>Type : Symbol(Type, Decl(destructureOptionalParameter.ts, 6, 1))
>descendants : Symbol(descendants, Decl(destructureOptionalParameter.ts, 14, 31))
>read : Symbol(read, Decl(destructureOptionalParameter.ts, 14, 43))
descendants?: boolean;
>descendants : Symbol(descendants, Decl(destructureOptionalParameter.ts, 14, 53))
read?: any;
>read : Symbol(read, Decl(destructureOptionalParameter.ts, 15, 30))
}): ParameterDecorator;
>ParameterDecorator : Symbol(ParameterDecorator, Decl(lib.d.ts, --, --))
new (selector: Type | string, {descendants, read}?: {
>selector : Symbol(selector, Decl(destructureOptionalParameter.ts, 18, 9))
>Type : Symbol(Type, Decl(destructureOptionalParameter.ts, 6, 1))
>descendants : Symbol(descendants, Decl(destructureOptionalParameter.ts, 18, 35))
>read : Symbol(read, Decl(destructureOptionalParameter.ts, 18, 47))
descendants?: boolean;
>descendants : Symbol(descendants, Decl(destructureOptionalParameter.ts, 18, 57))
read?: any;
>read : Symbol(read, Decl(destructureOptionalParameter.ts, 19, 30))
}): QueryMetadata;
>QueryMetadata : Symbol(QueryMetadata, Decl(destructureOptionalParameter.ts, 10, 26))
}
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