/**
 * @description: 使用键盘控制地图漫游初始化
 * @param {*} _viewer
 * @return {*}
 */
export declare function useKeyboardRoam(): {
    keyboardMapRoamingInit: (_viewer: Cesium.Viewer) => void;
    keyboardMapRoamingRemove: (_viewer?: Cesium.Viewer) => void;
};