declare class DrawTool {
    private _viewer;
    private _anchorLayer;
    private _floatingAnchor;
    private _options;
    private _plotEvent;
    private _tooltipMess;
    constructor();
    set tooltipMess(tooltipMess: string);
    _getEventPosition(e: any): any;
    /**
     *
     * @param e
     * @returns {boolean}
     */
    private _onClick;
    private _onMouseMove;
    /**
     *
     * @param e
     * @private
     */
    private _onRightClick;
    /**
     *
     * @param position
     * @param isCenter
     */
    private _onCreateAnchor;
    /**
     *
     * @private
     */
    private _onClearAnchor;
    /**
     *
     * @private
     */
    private _bindEvent;
    /**
     *
     * @private
     */
    private _unbindEvent;
    /**
     *
     * @param type
     * @param callback
     * @param context
     */
    on(type: string, callback: Function, context: any): DrawTool;
    /**
     *
     * @param type
     * @param callback
     * @param context
     */
    off(type: string, callback: Function, context: any): DrawTool;
    /**
     *
     * @param type
     * @param params
     */
    fire(type: string, params?: {}): DrawTool;
    /**
     *
     * @param options
     */
    activate(options?: {}): DrawTool;
    /**
     *
     * @returns {DrawTool}
     */
    deactivate(): DrawTool;
    /**
     *
     * @param viewer
     */
    install(viewer: any): void;
}
export default DrawTool;