import { default as Position } from '../core/Position.ts';
export type IFreeFlightParams = {
    postion: Position;
    heading: number;
    pitch: number;
    roll: number;
    correction: number;
    /**
     * 米/s
     */
    speed: number;
    distance: number;
};
export declare const freeFlightParams: {
    postion: {
        lng: number;
        lat: number;
        alt: number;
        heading: number;
        pitch: number;
        roll: number;
        zoom: number;
        serialize: () => string;
        distance: (target?: Position) => number;
        clone: () => Position;
        copy: () => Position;
        toArray: () => number[];
        toString: () => string;
        toObject: () => {
            lng: any;
            heading: any;
            alt: any;
            roll: any;
            pitch: any;
            lat: any;
            zoom: any;
        };
    };
    heading: number;
    pitch: number;
    roll: number;
    correction: number;
    speed: number;
    distance: number;
};
/**
 * 自由飞行
 * 通过键盘控制，模拟飞行, 手动控制《=》自动控制
 * （类似游戏模式）
 */
declare class FreeFlyHelper {
    private static handler;
    /**
     * 初始化
     * @param initPosition 初始位置,飞行高度5000米以下
     * @param initSpeed 飞机速度 km/h ，直升机最大时速 200-300km/h= 300*1000/60*60=83.3米/s
     */
    static init(initPosition?: Position, initSpeed?: number): void;
    /**
     * 开始动画
     */
    static start(): Promise<void>;
    /**
     * 结束动画
     */
    static stop(): void;
    /**
     * 开启按键监听
     * (这一步缓存按键信息, 而不是直接调整姿态为了支持长按和姿态调整过渡的平顺)
     */
    static openKeysListener(): void;
    /**
     * 关闭按键监听
     */
    static closeKeysListener(): void;
    private static keydownListener;
    private static keyupListener;
    /**
     * 旧备份代码
     */
    static adjustFlightAttitude(): Promise<void>;
    static adjustfreeFlightParams(): Promise<boolean>;
}
export default FreeFlyHelper;