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

    class A { }
>A : A, Symbol(A, Decl(ambientModuleWithClassDeclarationWithExtends.ts, 0, 20))

    class B extends A { }
>B : B, Symbol(B, Decl(ambientModuleWithClassDeclarationWithExtends.ts, 1, 15))
>A : A, Symbol(A, Decl(ambientModuleWithClassDeclarationWithExtends.ts, 0, 20))
}