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=== tests/cases/compiler/getParameterNameAtPosition.ts ===
// Repro from #30171
interface Mock<Y extends any[]> extends Function {
>Mock : Symbol(Mock, Decl(getParameterNameAtPosition.ts, 0, 0))
>Y : Symbol(Y, Decl(getParameterNameAtPosition.ts, 2, 15))
>Function : Symbol(Function, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
(...args: Y): any;
>args : Symbol(args, Decl(getParameterNameAtPosition.ts, 3, 5))
>Y : Symbol(Y, Decl(getParameterNameAtPosition.ts, 2, 15))
}
type Tester = (opts: any, done: (...args: any[]) => any) => any;
>Tester : Symbol(Tester, Decl(getParameterNameAtPosition.ts, 4, 1))
>opts : Symbol(opts, Decl(getParameterNameAtPosition.ts, 5, 15))
>done : Symbol(done, Decl(getParameterNameAtPosition.ts, 5, 25))
>args : Symbol(args, Decl(getParameterNameAtPosition.ts, 5, 33))
declare function cases(tester: Tester): void;
>cases : Symbol(cases, Decl(getParameterNameAtPosition.ts, 5, 64))
>tester : Symbol(tester, Decl(getParameterNameAtPosition.ts, 6, 23))
>Tester : Symbol(Tester, Decl(getParameterNameAtPosition.ts, 4, 1))
declare function fn<Y extends any[]>(implementation?: (...args: Y) => any): Mock<Y>;
>fn : Symbol(fn, Decl(getParameterNameAtPosition.ts, 6, 45))
>Y : Symbol(Y, Decl(getParameterNameAtPosition.ts, 7, 20))
>implementation : Symbol(implementation, Decl(getParameterNameAtPosition.ts, 7, 37))
>args : Symbol(args, Decl(getParameterNameAtPosition.ts, 7, 55))
>Y : Symbol(Y, Decl(getParameterNameAtPosition.ts, 7, 20))
>Mock : Symbol(Mock, Decl(getParameterNameAtPosition.ts, 0, 0))
>Y : Symbol(Y, Decl(getParameterNameAtPosition.ts, 7, 20))
cases(fn(opts => { }));
>cases : Symbol(cases, Decl(getParameterNameAtPosition.ts, 5, 64))
>fn : Symbol(fn, Decl(getParameterNameAtPosition.ts, 6, 45))
>opts : Symbol(opts, Decl(getParameterNameAtPosition.ts, 8, 9))
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