=== tests/cases/compiler/genericPrototypeProperty3.ts ===
class BaseEvent {
>BaseEvent : BaseEvent

    target: {};
>target : {}
}

class MyEvent<T> extends BaseEvent { // T is instantiated to any in the prototype, which is assignable to {}
>MyEvent : MyEvent<T>
>T : T
>BaseEvent : BaseEvent

    target: T;
>target : T
>T : T
}
class BaseEventWrapper {
>BaseEventWrapper : BaseEventWrapper

    t: BaseEvent;
>t : BaseEvent
>BaseEvent : BaseEvent
}

class MyEventWrapper extends BaseEventWrapper {
>MyEventWrapper : MyEventWrapper
>BaseEventWrapper : BaseEventWrapper

    t: MyEvent<any>;
>t : MyEvent<any>
>MyEvent : MyEvent<T>
}