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

    export interface I<T> {
>I : I<T>, Symbol(I, Decl(genericCallbacksAndClassHierarchy.ts, 0, 10))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 1, 23))

        subscribe(callback: (newValue: T) => void ): any;
>subscribe : (callback: (newValue: T) => void) => any, Symbol(subscribe, Decl(genericCallbacksAndClassHierarchy.ts, 1, 27))
>callback : (newValue: T) => void, Symbol(callback, Decl(genericCallbacksAndClassHierarchy.ts, 2, 18))
>newValue : T, Symbol(newValue, Decl(genericCallbacksAndClassHierarchy.ts, 2, 29))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 1, 23))
    }
    export class C1<T> {
>C1 : C1<T>, Symbol(C1, Decl(genericCallbacksAndClassHierarchy.ts, 3, 5))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 4, 20))

        public value: I<T>;
>value : I<T>, Symbol(value, Decl(genericCallbacksAndClassHierarchy.ts, 4, 24))
>I : I<T>, Symbol(I, Decl(genericCallbacksAndClassHierarchy.ts, 0, 10))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 4, 20))
    }
    export class A<T> {
>A : A<T>, Symbol(A, Decl(genericCallbacksAndClassHierarchy.ts, 6, 5))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 7, 19))

        public dummy: any;
>dummy : any, Symbol(dummy, Decl(genericCallbacksAndClassHierarchy.ts, 7, 23))
    }
    export class B<T> extends C1<A<T>> { }
>B : B<T>, Symbol(B, Decl(genericCallbacksAndClassHierarchy.ts, 9, 5))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 10, 19))
>C1 : C1<T>, Symbol(C1, Decl(genericCallbacksAndClassHierarchy.ts, 3, 5))
>A : A<T>, Symbol(A, Decl(genericCallbacksAndClassHierarchy.ts, 6, 5))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 10, 19))

    export class D<T> {
>D : D<T>, Symbol(D, Decl(genericCallbacksAndClassHierarchy.ts, 10, 42))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 11, 19))

        _subscribe(viewModel: B<T>): void {
>_subscribe : (viewModel: B<T>) => void, Symbol(_subscribe, Decl(genericCallbacksAndClassHierarchy.ts, 11, 23))
>viewModel : B<T>, Symbol(viewModel, Decl(genericCallbacksAndClassHierarchy.ts, 12, 19))
>B : B<T>, Symbol(B, Decl(genericCallbacksAndClassHierarchy.ts, 9, 5))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 11, 19))

            var f = (newValue: A<T>) => { };
>f : (newValue: A<T>) => void, Symbol(f, Decl(genericCallbacksAndClassHierarchy.ts, 13, 15))
>(newValue: A<T>) => { } : (newValue: A<T>) => void
>newValue : A<T>, Symbol(newValue, Decl(genericCallbacksAndClassHierarchy.ts, 13, 21))
>A : A<T>, Symbol(A, Decl(genericCallbacksAndClassHierarchy.ts, 6, 5))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 11, 19))

            var v: I<A<T>> = viewModel.value;
>v : I<A<T>>, Symbol(v, Decl(genericCallbacksAndClassHierarchy.ts, 15, 15))
>I : I<T>, Symbol(I, Decl(genericCallbacksAndClassHierarchy.ts, 0, 10))
>A : A<T>, Symbol(A, Decl(genericCallbacksAndClassHierarchy.ts, 6, 5))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 11, 19))
>viewModel.value : I<A<T>>, Symbol(C1.value, Decl(genericCallbacksAndClassHierarchy.ts, 4, 24))
>viewModel : B<T>, Symbol(viewModel, Decl(genericCallbacksAndClassHierarchy.ts, 12, 19))
>value : I<A<T>>, Symbol(C1.value, Decl(genericCallbacksAndClassHierarchy.ts, 4, 24))

            // both of these should work
            v.subscribe(f);
>v.subscribe(f) : any
>v.subscribe : (callback: (newValue: A<T>) => void) => any, Symbol(I.subscribe, Decl(genericCallbacksAndClassHierarchy.ts, 1, 27))
>v : I<A<T>>, Symbol(v, Decl(genericCallbacksAndClassHierarchy.ts, 15, 15))
>subscribe : (callback: (newValue: A<T>) => void) => any, Symbol(I.subscribe, Decl(genericCallbacksAndClassHierarchy.ts, 1, 27))
>f : (newValue: A<T>) => void, Symbol(f, Decl(genericCallbacksAndClassHierarchy.ts, 13, 15))

            v.subscribe((newValue: A<T>) => { });
>v.subscribe((newValue: A<T>) => { }) : any
>v.subscribe : (callback: (newValue: A<T>) => void) => any, Symbol(I.subscribe, Decl(genericCallbacksAndClassHierarchy.ts, 1, 27))
>v : I<A<T>>, Symbol(v, Decl(genericCallbacksAndClassHierarchy.ts, 15, 15))
>subscribe : (callback: (newValue: A<T>) => void) => any, Symbol(I.subscribe, Decl(genericCallbacksAndClassHierarchy.ts, 1, 27))
>(newValue: A<T>) => { } : (newValue: A<T>) => void
>newValue : A<T>, Symbol(newValue, Decl(genericCallbacksAndClassHierarchy.ts, 19, 25))
>A : A<T>, Symbol(A, Decl(genericCallbacksAndClassHierarchy.ts, 6, 5))
>T : T, Symbol(T, Decl(genericCallbacksAndClassHierarchy.ts, 11, 19))
        }
    }
}