interface A1 {}
interface A2 extends B {}
interface A3<T> extends B<T>, C<T> {}
interface A4 { foo: () => number; }
interface Dictionary { [index: string]: string; length: number; }
class Foo1 implements Bar {}
class Foo2 extends Bar implements Bat, Man<number> {}
class Foo3 extends class Bar implements Bat {} {}
class Foo4 extends class Bar implements Bat {} implements Man {}