/// <reference types="webxr" />
export declare type VRButtonOptions = {
    sessionInit?: XRSessionInit;
    onSessionStarted?: (session: XRSession) => void;
    onSessionEnded?: (session: XRSession) => void;
    onUnsupported?: () => void;
    onNotAllowed?: (exception: DOMException) => void;
};
export declare class VRButton {
    static convertToVRButton(button: HTMLButtonElement, renderer: THREE.WebGLRenderer, options?: VRButtonOptions): void;
    static xrSessionIsGranted: boolean;
    static registerSessionGrantedListener(): void;
    static createButton(renderer: THREE.WebGLRenderer, options?: VRButtonOptions): HTMLButtonElement;
}
//# sourceMappingURL=VRButton.d.ts.map