import { HandlerObject } from '../../base/handler-object';
import { DraggableObject } from '../../base/draggable-object';
import { ScreenXY } from '../../common/screen-xy';
import { ScreenBounds } from '../../common/screen-bounds';
export declare class DragHandler extends HandlerObject {
    _draggable: DraggableObject;
    _viscosity: number;
    _lastPos: ScreenXY;
    _absPos: ScreenXY;
    _offsetLimit: ScreenBounds;
    _lastTime: number;
    _times: number[];
    _positions: ScreenXY[];
    _initialWorldOffset: number;
    _worldWidth: number;
    addHooks(): void;
    removeHooks(): void;
    moved(): boolean;
    moving(): boolean;
    _onDragStart(): void;
    _onDrag(e: any): void;
    _prunePositions(time: number): void;
    _onZoomEnd(): void;
    _viscousLimit(value: number, threshold: number): number;
    _onPreDragLimit(): void;
    _onPreDragWrap(): void;
    _onDragEnd(e: any): void;
}