class C { static fn() { return this; } static get x() { return 1; } static set x(v) { } constructor(public a: number, private b: number) { } static foo: string; } var r = C.fn(); var r2 = r.x; var r3 = r.foo; class D extends C { bar: string; } var r = D.fn(); var r2 = r.x; var r3 = r.foo;