message: Fix FederatedEvent's initUIEvent type issues
diff: @@ -140,6 +140,7 @@ export class FederatedEvent<N extends UIEvent = UIEvent> implements UIEvent
  /**
  * Unimplemented method included for implementing the DOM interface {@code Event}. It will throw an {@code Error}.
  + * @deprecated
  * @param _type
  * @param _bubbles
  * @param _cancelable
  @@ -149,6 +150,21 @@ export class FederatedEvent<N extends UIEvent = UIEvent> implements UIEvent
  throw new Error('initEvent() is a legacy DOM API. It is not implemented in the Federated Events API.');
  }
  + /**
  + * Unimplemented method included for implementing the DOM interface {@code UIEvent}. It will throw an {@code Error}.
  + * @deprecated
  + * @param _typeArg
  + * @param _bubblesArg
  + * @param _cancelableArg
  + * @param _viewArg
  + * @param _detailArg
  + */
  + initUIEvent(_typeArg: string, _bubblesArg?: boolean, _cancelableArg?: boolean, _viewArg?: Window | null,
  + _detailArg?: number): void
  + {
  + throw new Error('initUIEvent() is a legacy DOM API. It is not implemented in the Federated Events API.');
  + }
  +
  /** Prevent default behavior of PixiJS and the user agent. */
  preventDefault(): void
  {
  