import TaskBase from "../libs/TaskBase.js";
export declare class HelperTask extends TaskBase {
    private static prevDateTime;
    static taking(): string;
    constructor(taskName?: string);
    startDateTime: any;
    endDateTime: any;
    showVersion(): HelperTask;
    sendMessage(titleStr: string, messageStr: string): Promise<void>;
    start(): void;
    end(): void;
    cleanAsync(): Promise<HelperTask>;
}
export default HelperTask;