import type { Engine } from '../../engine';
import type { Disposable } from '../../utils';
export declare const EVENT_TYPE_CLICK = "click";
export declare const EVENT_TYPE_TOUCH_START = "touchstart";
export declare const EVENT_TYPE_TOUCH_MOVE = "touchmove";
export declare const EVENT_TYPE_TOUCH_END = "touchend";
export type TouchEventType = {
    x: number;
    y: number;
    vx: number;
    vy: number;
    ts: number;
    dx: number;
    dy: number;
    width: number;
    height: number;
    origin: Event;
};
export type TouchParams = {
    clientX: number;
    clientY: number;
    target: EventTarget;
};
export declare enum PointerEventType {
    PointerDown = 0,
    PointerUp = 1,
    PointerMove = 2
}
export declare class EventSystem implements Disposable {
    engine: Engine;
    allowPropagation: boolean;
    enabled: boolean;
    skipPointerMovePicking: boolean;
    private handlers;
    private nativeHandlers;
    private target;
    constructor(engine: Engine, allowPropagation?: boolean);
    bindListeners(target: HTMLCanvasElement | null): void;
    dispatchEvent(type: string, event: TouchEventType): void;
    addEventListener(type: string, callback: (event: TouchEventType) => void): () => void;
    removeEventListener(type: string, callback: (event: TouchEventType) => void): void;
    private onClick;
    private onPointerDown;
    private onPointerUp;
    private onPointerMove;
    private handlePointerEvent;
    dispose(): void;
}