import { IPointerEvent } from './pointer-events';
import { ICanRunOutsideAngular } from './i-can-run-outside-angular';
export declare const MOUSE_EVENT_IGNORE_TIME = 800;
export declare abstract class IDragAndDropBase {
    protected ngZone: ICanRunOutsideAngular;
    private element;
    private mouseListeners;
    private touchListeners;
    private startListeners;
    isSyntheticEvent(event: MouseEvent): boolean;
    private lastTouchEventTime;
    isDragStarted: boolean;
    private dragStartThreshold;
    private dragStartDelay;
    private dragStartTime;
    private dragStartPosition;
    abstract disabled: boolean;
    private moveHandler;
    protected constructor(ngZone: ICanRunOutsideAngular);
    private onMouseDown;
    private onTouchDown;
    private onMouseMove;
    private onTouchMove;
    private checkDragSequenceToStart;
    protected abstract prepareDragSequence(event: IPointerEvent): void;
    private onMouseUp;
    private onTouchUp;
    private endDragSequence;
    abstract onPointerDown(event: IPointerEvent): boolean;
    abstract onPointerMove(event: IPointerEvent): void;
    abstract onPointerUp(event: IPointerEvent): void;
    subscribe(elementToSubscribe: Document): void;
    unsubscribe(): void;
}