import { Timer } from "@yamato-daiwa/es-extensions";
export default class NodeJS_Timer extends Timer {
    #private;
    constructor(compoundParameter: Readonly<{
        period__seconds: number;
        onElapsed?: (outcome: Timer.Outcomes) => void;
    }>);
    countDown(compoundParameter?: Readonly<{
        asynchronousCompletion?: Timer.AsynchronousCompletions.promise;
    }>): Promise<Timer.Outcomes>;
    countDown(compoundParameter: Readonly<{
        asynchronousCompletion: Timer.AsynchronousCompletions.callback;
    }>): void;
    resetAndRestart(compoundParameter?: Readonly<{
        asynchronousCompletion: Timer.AsynchronousCompletions.promise;
    }>): Promise<Timer.Outcomes>;
    resetAndRestart(compoundParameter: Readonly<{
        asynchronousCompletion: Timer.AsynchronousCompletions.callback;
    }>): void;
    get isActive(): boolean;
}