import { default as Position } from '../core/Position.ts';
export type IFlightParams = {
    postion: Position;
    heading: number;
    pitch: number;
    roll: number;
    distance: number;
};
export declare const flightParams: {
    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;
    distance: number;
};
/**
 * 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 GameControlHelper {
    private static count;
    /**
     * 初始化
     */
    static init(initPosition?: Position): void;
    /**
     * 改变高度
     * @param newHeight
     */
    static changeHeight(newHeight?: number): 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;
    static keydownListenHandler(key: string): void;
    static keyupListenHandler(key: string): void;
    static adjustFlightAttitude(changeNumber?: number): void;
    static stopCallback(): void;
    static adjustFlightParams(): number;
    static clear(): void;
}
export default GameControlHelper;