import { OnInit, ElementRef } from '@angular/core';
export declare class CounterUpDirective implements OnInit {
    private el;
    /**
     * Optional extra configuration, such as easing.
     */
    options: any;
    /**
     * Optional start value for the count. Defaults to zero.
     */
    startVal: number;
    /**
     * Optional duration of the animation. Default is two seconds.
     */
    duration: number;
    /**
     * Optional number of decimal places. Default is two.
     */
    decimals: number;
    /**
     * Optional flag for specifying whether the element should re-animate when clicked.
     * Default is true.
     */
    reanimateOnClick: boolean;
    /**
     * The value to count up to.
     */
    private endValue;
    endVal: number;
    /**
     * Count up element.
     */
    private countUp;
    /**
     * Default values
     */
    private defaultValues;
    constructor(el: ElementRef);
    ngOnInit(): void;
    /**
     * Re-animate if preference is set.
     */
    onClick(): void;
    /**
     * Create counter up.
     *
     * @author Joaquin Volpe <joaquin.volpe@woopasoft.com>
     * @param start Start value
     * @param end End value
     * @param decimals Decimals count
     * @param duration Counter duration
     * @returns
     * @memberof CounterUpDirective
     */
    private createCountUp(start, end, duration, decimals);
    /**
     * Animate counter up.
     *
     * @author Joaquin Volpe <joaquin.volpe@woopasoft.com>
     * @memberof CounterUpDirective
     */
    private animate();
}