import { Component, ContextManager, Observable } from '@zcomponent/core';
/**
 * A component to switch the active camera in the scene. It's particularly useful in timeline animations to change the camera at specific keyframes.
 *
 * @zcomponent
 * @zgroup Cameras
 * @zicon camera
 * @ztag three/ActiveCameraSwitcher
 */
export declare class ActiveCameraSwitcher extends Component {
    constructor(contextManager: ContextManager, constructorProps: {});
    private _update;
    /**
     * @zui
     * @zvalues nodeids three/Object3D/Camera/**
     */
    active: Observable<string, never>;
}