import { SceneEventType } from "../EventType";
import Event from "../Event";
declare class SceneEvent extends Event {
    _camera: Cesium.Camera;
    _scene: Cesium.Scene;
    _clock: Cesium.Clock;
    constructor(viewer: any);
    /**
     * Subscribe event
     * @param type
     * @param callback
     * @param context
     * @returns {any}
     */
    on(type: SceneEventType, callback: any, context: any): any;
    /**
     * Unsubscribe event
     * @param type
     * @param callback
     * @param context
     * @returns {boolean}
     */
    off(type: SceneEventType, callback: any, context: any): boolean;
}
export default SceneEvent;