=== tests/cases/compiler/implementsInClassExpression.ts ===
interface Foo {
>Foo : Foo

    doThing(): void;
>doThing : () => void
}

let cls = class implements Foo {
>cls : typeof (Anonymous class)
>class implements Foo {    doThing() { }} : typeof (Anonymous class)
>Foo : Foo

    doThing() { }
>doThing : () => void
}
