window Switching

API in the FA Model	Corresponding .d.ts File in the Stage Model	Corresponding API in the Stage Model
create(id: string, type: WindowType, callback: AsyncCallback<Window>): void; create(id: string, type: WindowType): Promise<Window>;	\@ohos.window.d.ts	createSubWindow(name: string, callback: AsyncCallback<Window>): void; createSubWindow(name: string): Promise; An application developed on the FA model uses window.create(id, WindowType.TYPE_APP) to create a subwindow, whereas an application developed on the stage model uses WindowStage.CreateSubWindow() to create a subwindow.
getTopWindow(callback: AsyncCallback<Window>): void; getTopWindow(): Promise<Window>;	\@ohos.window.d.ts	getLastWindow(ctx: BaseContext, callback: AsyncCallback<Window>): void; getLastWindow(ctx: BaseContext): Promise<Window>;