export interface Point {
    x: number;
    y: number;
}
export declare class CTYDom {
    /**
    * Get element rect
    * @param el
    * @returns {DOMRect}
    */
    static getRect(el: Element): DOMRect;
    /**
    * Get element page point
    * @param {MouseEvent | TouchEvent} [event]
    * @returns {Point}
    */
    static getPagePoint(event: MouseEvent | TouchEvent): Point;
    /**
    * Get element client point
    * @param {MouseEvent | TouchEvent} [event]
    * @returns {Point}
    */
    static getClientPoint(event: MouseEvent | TouchEvent): Point;
    /**
    * Scroll to top
    * @param el
    * @param duration
    * @returns {Promise<void>}
    */
    static scrollTop(el: HTMLElement, duration?: number): Promise<void>;
    /**
    * Scroll to bottom
    * @param el
    * @param duration
    * @returns {Promise<void>}
    */
    static scrollBottom(el: HTMLElement, duration?: number): Promise<void>;
    /**
    * Scroll to point
    * @param el
    * @param x
    * @param y
    * @param duration
    * @returns {Promise<void>}
    */
    static scrollToPoint(el: HTMLElement, x: number | undefined | null, y: number | undefined | null, duration?: number): Promise<void>;
    /**
    * Check if scroll end
    * @param el
    * @param threshold
    * @returns {boolean}
    */
    static checkScrollEnd(el: HTMLElement, threshold?: number): boolean;
}