import { Vector } from '../Math/vector';
import { EventEmitter, EventKey, Handler, Subscription } from '../EventEmitter';
import { PointerEvents } from './PointerEventReceiver';
import { Engine } from '../Engine';
export declare class PointerAbstraction {
    events: EventEmitter<PointerEvents>;
    /**
     * The last position on the document this pointer was at. Can be `null` if pointer was never active.
     */
    lastPagePos: Vector;
    /**
     * The last position on the screen this pointer was at. Can be `null` if pointer was never active.
     */
    lastScreenPos: Vector;
    /**
     * The last position in the game world coordinates this pointer was at. Can be `null` if pointer was never active.
     */
    lastWorldPos: Vector;
    constructor();
    emit<TEventName extends EventKey<PointerEvents>>(eventName: TEventName, event: PointerEvents[TEventName]): void;
    emit(eventName: string, event?: any): void;
    on<TEventName extends EventKey<PointerEvents>>(eventName: TEventName, handler: Handler<PointerEvents[TEventName]>): Subscription;
    on(eventName: string, handler: Handler<unknown>): Subscription;
    once<TEventName extends EventKey<PointerEvents>>(eventName: TEventName, handler: Handler<PointerEvents[TEventName]>): Subscription;
    once(eventName: string, handler: Handler<unknown>): Subscription;
    off<TEventName extends EventKey<PointerEvents>>(eventName: TEventName, handler: Handler<PointerEvents[TEventName]>): void;
    off(eventName: string, handler: Handler<unknown>): void;
    off(eventName: string): void;
    /**
     * Called internally by excalibur to keep pointers up to date
     * @internal
     * @param engine
     */
    _updateWorldPosition(engine: Engine): void;
    private _onPointerMove;
    private _onPointerDown;
}