export interface ISystem {
    //  退出
    readonly exit: () => boolean
    //  复制
    readonly copy: (data: string | number, successCallback?: () => void) => void
    //  剪切板
    readonly clipboard: () => Promise<string>
    //  剪切板是否有值
    readonly hasClipboard: () => Promise<boolean>
    //  链接
    readonly linking: (url: string) => void
}