/**
 * A container facade, placed at the root of the scene, that manages the tracking of
 * `XRInputSource`s and the rendering of their related scene objects.
 *
 *
 */
export class XRInputSourceManager {
    constructor(parent: any);
    _sourcesDirty: boolean;
    xrSession: any;
    xrReferenceSpace: any;
    _xrInputSourceSubtree: any;
    _onInputSourcesChange: (e: any) => void;
    afterUpdate(): void;
    _lastXrSession: any;
    destructor(): void;
}
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