import * as Cesium from 'cesium'; export declare class XbsjTileserHisImageryProvider extends Cesium.UrlTemplateImageryProvider { private _indexTime; get indexTime(): number | string; set indexTime(value: number | string); constructor(options: any); requestImage(x: any, y: any, level: number, request: any): Promise; buildImageUrl(indexTime: any, x: any, y: any, level: any): string; } export declare const getCurrentTileCoordinates: (viewer: any) => Promise;