=== tests/cases/compiler/es6ClassTest7.ts ===
declare module M {
>M : typeof M, Symbol(M, Decl(es6ClassTest7.ts, 0, 0))

    export class Foo {
>Foo : Foo, Symbol(Foo, Decl(es6ClassTest7.ts, 0, 18))
    }
}

class Bar extends M.Foo {
>Bar : Bar, Symbol(Bar, Decl(es6ClassTest7.ts, 3, 1))
>M.Foo : any, Symbol(M.Foo, Decl(es6ClassTest7.ts, 0, 18))
>M : typeof M, Symbol(M, Decl(es6ClassTest7.ts, 0, 0))
>Foo : M.Foo, Symbol(M.Foo, Decl(es6ClassTest7.ts, 0, 18))
}