export default WebXRPolyfill;
declare class WebXRPolyfill {
    constructor(config?: {});
    config: Readonly<{
        global: any;
        webvr: boolean;
        cardboard: boolean;
        cardboardConfig: null;
        allowCardboardOnDesktop: boolean;
    }>;
    global: any;
    nativeWebXR: boolean;
    injected: boolean;
    _injectPolyfill(global: any): void;
    _patchNavigatorXR(): void;
    xr: XR | undefined;
    _injectCompatibilityShims(global: any): void;
}
declare class XR extends EventTarget {
    constructor(devicePromise: any);
    async isSessionSupported(mode: any): Promise<any>;
    async requestSession(mode: any, options: any): Promise<any>;
    [PRIVATE$4]: {
        device: null;
        devicePromise: any;
        immersiveSession: null;
        inlineSessions: Set<any>;
    };
}
declare class EventTarget {
    addEventListener(type: any, listener: any): void;
    removeEventListener(type: any, listener: any): void;
    dispatchEvent(type: any, event: any): void;
    [PRIVATE]: {
        listeners: Map<any, any>;
    };
}
declare const PRIVATE$4: unique symbol;
declare const PRIVATE: unique symbol;