export default class KeyboardEventHandle { private readonly toolController; constructor(screenShotController: HTMLCanvasElement, toolController: HTMLDivElement); /** * 触发工具栏指定模块的点击事件 * @param eventName 事件名, 与截图工具栏中的data-title属性值保持一致 * @private */ triggerEvent(eventName: string): void; }