File: callChainInference.types

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=== tests/cases/conformance/expressions/optionalChaining/callChain/callChainInference.ts ===
// Repro from #42404

interface Y {
    foo<T>(this: T, arg: keyof T): void;
>foo : <T>(this: T, arg: keyof T) => void
>this : T
>arg : keyof T

    a: number;
>a : number

    b: string;
>b : string
}

declare const value: Y | undefined;
>value : Y | undefined

if (value) {
>value : Y | undefined

    value?.foo("a");
>value?.foo("a") : void
>value?.foo : <T>(this: T, arg: keyof T) => void
>value : Y
>foo : <T>(this: T, arg: keyof T) => void
>"a" : "a"
}

value?.foo("a");
>value?.foo("a") : void | undefined
>value?.foo : (<T>(this: T, arg: keyof T) => void) | undefined
>value : Y | undefined
>foo : (<T>(this: T, arg: keyof T) => void) | undefined
>"a" : "a"