import { ToolSerial, WidgetBase, ToolInstanceSerial } from './Widgets';
export interface AnnotationSerial extends ToolInstanceSerial {
    labelText: string;
}
export declare class WidgetAnnotation extends WidgetBase {
    private _labelOffset;
    private _labelMoved;
    private _labelHovered;
    private _cone;
    private _manuallabeldisplay;
    private _dashLine;
    private _mouseLabelOffset;
    private _coneGeometry;
    private _serials;
    worldPosition: any;
    protected _updateDOM(): void;
    protected _updateDOMColor(): void;
    protected _update(): void;
    protected _updateMeshPosition(): void;
    protected _createUniqueBindings(): void;
    protected _createUniqueListeners(): void;
    protected _createDOM(): void;
    protected _createMesh(): void;
    protected _displaylabel(): void;
    protected _hideDOM(): void;
    protected _showDOM(): void;
    notonHover(): void;
    onHover(): void;
    onStart(evt: any): void;
    onMove(evt: any): void;
    onEnd(): void;
    protected _setlabeltext(): void;
    protected _changelabeltext(): void;
    protected _initialize(baseSerial: ToolSerial, extendedSerial?: ToolInstanceSerial): void;
    protected _removeEventListeners(): void;
    free(): void;
}