import { EventEmitter } from '@angular/core';
export declare class CountoDirective {
    countoChange: EventEmitter<{}>;
    countoEnd: EventEmitter<{}>;
    private _timer;
    private _duration;
    private _countTo;
    private _countFrom;
    private _step;
    duration: string;
    countTo: string;
    countFrom: string;
    step: string;
    run(): boolean;
}