export default WorldXRFacade;
declare class WorldXRFacade {
    /**
     * Relevant things passed in from XRAware:
     * @property {XRSession} xrSession
     * @property {XRSessionMode} xrSessionMode
     * @property {XRReferenceSpace} xrReferenceSpace
     * @property {XRReferenceSpaceType} xrReferenceSpaceType
     * @property {number|string} xrFramebufferScaleFactor
     *
     * New global event types:
     * `xrframe` - fired on each frame, with the current time and XRFrame object as arguments
     */
    afterUpdate(): void;
    renderingScheduler: any;
    /**
     * @override
     */
    override doRender(timestamp: any, xrFrame: any): void;
    _isOpaque(): boolean;
    _isImmersive(): boolean;
    /**
     * @override to use an XR stereo camera when in immersive XR mode
     */
    override _getCameraDef(): any;
    /**
     * @override to add VR controllers manager object
     */
    override _getSceneDef(): any;
    /**
     * @override to always continuously render when in XR
     */
    override _isContinuousRender(): any;
    /**
     * @override to skip rendering HTML overlays when in immersive mode
     */
    override _doRenderHtmlItems(): void;
    _notifyWorldHandlers: any;
}
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