message: Trim IEventProvider to popular subset
diff: @@ -8,12 +8,8 @@ export interface IEvent {
  }
  export interface IEventProvider<TEvent extends IEvent> {
  - readonly addListener: TEvent;
  readonly on: TEvent;
  readonly once: TEvent;
  - readonly prependListener: TEvent;
  - readonly prependOnceListener: TEvent;
  - readonly removeListener: TEvent;
  readonly off: TEvent;
  }
  