import Viewer from "../../viewer/Viewer";
import Animation from "../Animation";
/**
 * 定点巡航
 * ```example
 * let flying = new BC.Flying(viewer)
 * flying.positions = ['121.234,21.212,0,-29', '121.435,21.212,0,-29']
 * flying.start()
 * ```
 */
declare class Flying extends Animation {
    private _positions;
    private _durations;
    private _currentIndex;
    private _timer;
    /**
     *
     * @param viewer 3D场景
     * @param options 选项
     */
    constructor(viewer: Viewer, options?: {
        /**是否循环 */
        loop: boolean;
        /**驻留时间 */
        dwellTime: number;
        /**回调函数 */
        callback: any;
    });
    /**
     * 类型
     * @internal
     */
    get type(): any;
    /**
     * 巡航路线
     */
    set positions(positions: any[]);
    /**
     * 巡航路线
     */
    get positions(): any[];
    /**
     * 每个点位的飞行间隔时间，当数组长度为 1 时，每个间隔时间相同，
     * 如果不为 1 时，长度必须和点位长度相等
     */
    set durations(durations: number[]);
    get durations(): number[];
    protected _bindEvent(): void;
    protected _unbindEvent(): void;
    private _cameraFly;
    /**
     * 开始
     */
    start(): this;
    /**
     * 暂停
     */
    pause(): this;
    /**
     * 继续
     */
    restore(): this;
}
export default Flying;