/**
 * Created by thinhtran on 5/24/17.
 */
export interface IScheduleStep {
    at?: number;
    duration?: number;
    run: Function;
}
/**
 * Scheduler helps to call function with specific time and flexible configuration.
 */
export declare class Scheduler {
    endTime: number;
    steps: any[];
    startTime: number;
    isRunning: boolean;
    timeouts: any[];
    delay: number;
    repeat: number;
    constructor();
    /**
     *
     * @param delay milliseconds
     * @param repeat integer
     */
    start(delay?: number, repeat?: number): void;
    private scheduleEndStep();
    /**
     * Stop all scheduled steps
     */
    stop(clean?: boolean): void;
    /**
     *
     * @param at - starting time (make sure: at - elapsed >= 10ms, which elapsed is elapsed time from starting)
     * @param run - executive function
     */
    pushStep(at: any, run: any): void;
    private scheduleNewStep(step);
    pushSteps(steps: Array<IScheduleStep>): void;
    pushDurationSteps(durationSteps: Array<IScheduleStep>): void;
}
export declare class SchedulerStatic {
    /**
     * Create new schedule with initial steps
     * @param steps - Syntax: [{at: <time at milliseconds>, run: <executive function>}, ...]
     * @returns Scheduler
     */
    config(steps: Array<IScheduleStep>): Scheduler;
    /**
     *
     * @param durationSteps - Syntax: [{duration: <time at milliseconds>, run: <executive function>}, ...]
     * @returns {Scheduler}
     */
    sequence(durationSteps: Array<IScheduleStep>): Scheduler;
}