import { Cesium } from "../namespace";
/**
 * 近景天空盒子
 * @noInheritDoc
 * @example
 * ```ts
 * scene.skyBox = new BC.GroundSkyBox({
 *   sources: {
 *     positiveX: 'skybox_px.png',
 *     negativeX: 'skybox_nx.png',
 *     positiveY: 'skybox_py.png',
 *     negativeY: 'skybox_ny.png',
 *     positiveZ: 'skybox_pz.png',
 *     negativeZ: 'skybox_nz.png',
 *   },
 * })
 * ```
 */
declare class GroundSkyBox extends Cesium.SkyBox {
    offsetAngle: number;
    _sources: any;
    _cubeMap: any;
    _command: any;
    _attributeLocations: any;
    _useHdr: any;
    show: any;
    sources: any;
    /**
     *
     * @param options
     * @example
     * ```json
     * //options(可选)
     * {
     *   "sources": {}, // 六个面的贴图
     *   "show": true, //显示
     *   "offsetAngle": 0 //旋转角度
     * }
     * ```
     */
    constructor(options?: any);
    update(frameState?: any, useHdr?: any): any;
}
export default GroundSkyBox;