=== tests/cases/compiler/addMoreCallSignaturesToBaseSignature.ts ===
interface Foo {
>Foo : Symbol(Foo, Decl(addMoreCallSignaturesToBaseSignature.ts, 0, 0))

    (): string;
}

interface Bar extends Foo {
>Bar : Symbol(Bar, Decl(addMoreCallSignaturesToBaseSignature.ts, 2, 1))
>Foo : Symbol(Foo, Decl(addMoreCallSignaturesToBaseSignature.ts, 0, 0))

    (key: string): string;
>key : Symbol(key, Decl(addMoreCallSignaturesToBaseSignature.ts, 5, 5))
}

var a: Bar;
>a : Symbol(a, Decl(addMoreCallSignaturesToBaseSignature.ts, 8, 3))
>Bar : Symbol(Bar, Decl(addMoreCallSignaturesToBaseSignature.ts, 2, 1))

var kitty = a();
>kitty : Symbol(kitty, Decl(addMoreCallSignaturesToBaseSignature.ts, 9, 3))
>a : Symbol(a, Decl(addMoreCallSignaturesToBaseSignature.ts, 8, 3))