import { OverlayEvent } from '../event';
declare class Overlay {
    protected _id: string;
    protected _bid: string;
    protected _delegate: any;
    protected _state: string;
    protected _layer: any;
    protected _show: boolean;
    protected _style: any;
    protected _attr: any;
    protected _allowDrillPicking: boolean;
    protected _contextMenu: any[];
    protected _overlayEvent: OverlayEvent;
    constructor();
    get overlayId(): string;
    get type(): string;
    set id(id: string);
    get id(): string;
    set show(show: boolean);
    get show(): boolean;
    set attr(attr: any);
    get attr(): any;
    set allowDrillPicking(allowDrillPicking: boolean);
    get allowDrillPicking(): boolean;
    get overlayEvent(): OverlayEvent;
    get delegate(): any;
    get state(): string;
    set contextMenu(menus: any[]);
    get contextMenu(): any[];
    /**
     *
     * @param type
     * @return {undefined}
     * @private
     */
    _getLayerCollection(type: any): any;
    /**
     * The hook for mount layer
     * Subclasses need to be overridden
     * @private
     */
    protected _mountedHook(): void;
    /**
     * The hook for added
     * @returns {boolean}
     * @private
     */
    protected _addedHook(): boolean;
    /**
     * The hook for removed
     * Subclasses need to be overridden
     * @private
     */
    protected _removedHook(): void;
    /**
     * Add handler
     * @param layer
     * @private
     */
    protected _onAdd(layer: any): void;
    /**
     * Remove handler
     * @private
     */
    protected _onRemove(): void;
    /**
     * Sets Text with Style
     * @param text
     * @param textStyle
     */
    setLabel(text: any, textStyle: any): this;
    /**
     * Sets style
     * @param style
     */
    setStyle(style: any): any;
    /**
     * Removes from layer
     * @returns {Overlay}
     */
    remove(): this;
    /**
     * adds to layer
     * @param layer
     * @returns {Overlay}
     */
    addTo(layer: any): this;
    /**
     * Subscribe event
     * @param type
     * @param callback
     * @param context
     * @returns {Overlay}
     */
    on(type: any, callback: any, context: any): this;
    /**
     * Unsubscribe event
     * @param type
     * @param callback
     * @param context
     * @returns {Overlay}
     */
    off(type: any, callback: any, context: any): this;
    /**
     * Trigger subscription event
     * @param type
     * @param params
     * @returns {Overlay}
     */
    fire(type: any, params: any): this;
    locate(xviewer: any): void;
}
export default Overlay;