import { WidgetBase, ToolSerial, ToolInstanceSerial } from './Widgets';
export declare class WidgetHandle extends WidgetBase {
    private _screenPosition;
    private _tracking;
    private _raycaster;
    private _mouse;
    private _offset;
    private _plane;
    private _meshHovered;
    private _sceneCenter;
    private _locked;
    raycaster: THREE.Raycaster;
    screenPosition: import("three").Vector3;
    tracking: boolean;
    protected _updateDOM(): void;
    protected _updateDOMColor(): void;
    protected _update(): void;
    protected _updateMeshPosition(): void;
    private _createPlane;
    protected _createUniqueBindings(): void;
    protected _createUniqueListeners(): void;
    protected _createDOM(): void;
    protected _createMesh(): void;
    protected _hideDOM(): void;
    protected _showDOM(): void;
    hoverMesh(): void;
    onHover(evt: any): void;
    onMove(evt: any): void;
    onStart(evt: any): void;
    onEnd(): void;
    _surfaceLockHandle(evt: any): boolean;
    protected _initialize(_baseSerial: ToolSerial, _extendedSerial?: ToolInstanceSerial): void;
    protected _removeEventListeners(): void;
    free(): void;
}