type HandlerType = (timer: Timer) => Promise<void>;
export declare class Timer {
    private constructor();
    errorHandler?: (ex: Error) => void;
    handler: HandlerType;
    time: number;
    static start(handler: HandlerType, time?: number, { errorHandler }?: {
        errorHandler?: (ex: Error) => void;
    }): Timer;
    timeoutHandle: any;
    start(): void;
    stop(): void;
}
export {};