constructor(id?: string, closeCallback?: () => void);

showSubMenu(subMenuElement: HTMLElement): void;

addItem(options: IMenuItemOption): HTMLElement;

addSeparator(index?: number): void;

open(options: { x: number, y: number, h?: number, w?: number, isLeft?: boolean }): void;

fullscreen(position?: "bottom" | "all"): void;

close(): void;