import EE from '@antv/event-emitter';
import type { Canvas } from '@antv/g';
/**
 * 移动端滚动事件
 * @see https://github.com/antvis/g-gesture/blob/next/src/event/wheel.ts
 */
export declare class WheelEvent extends EE {
    private canvas;
    private panning;
    private preX;
    private speedX;
    private preY;
    private speedY;
    private lastMoveMS;
    private raf;
    constructor(canvas: Canvas);
    private init;
    private bindPointerDown;
    private bindPointerMove;
    private bindPointerUp;
    destroy(): void;
}