import { default as Layer } from '../Layer';
import { default as VtAnnoStyle } from '../../vtlayer/style/VtAnnoStyle';
import * as Cesium from "@cesium/engine";
/**
 * 用于显示中国-矢量注记点
 * 海量注记点
 */
declare class LabelMassiveLayer extends Layer {
    private _labels;
    private _billboards;
    private minLevel;
    private maxLevel;
    /**
     * 图层的显示样式
     */
    style: VtAnnoStyle;
    /**
     * URL连接地址
     */
    private geojsonURL;
    private removeCallBackFunc;
    private removeChangedCallBackFunc;
    private filterPointIDs;
    private filterPointIDsPromise;
    private lastPointIDs;
    private isLevelOut;
    private defaultStyleObject;
    constructor(id: string, jsonURL: string, styleObject?: any);
    get type(): any;
    set show(show: boolean);
    get show(): boolean;
    get labels(): Cesium.LabelCollection;
    get billboards(): Cesium.BillboardCollection;
    addedHook(): void;
    /**
     * 初始化加载点注记
     */
    private initLoadLables;
    /**
     * 视野镜头发生变化，进行视野范围计算
     */
    private cameraChangedHander;
    private renderFrame;
    getBoundingRectangle(ptLabel: any): Cesium.BoundingRectangle | undefined;
    getBoundingRectangle2(label: any): Cesium.BoundingRectangle;
    /**
     * Clears all primitives
     * @returns {PrimitiveLayer}
     */
    clear(): this;
}
export default LabelMassiveLayer;