/**
 * Static Utility Functions
 */
export declare class Util {
    static isValidServerLocation(server: string | null | undefined): boolean;
    static canAugment(): boolean;
    static canQuicklook(): boolean;
    static canSceneViewer(): boolean;
    static canRealityViewer(): boolean;
    static isSafariOnIOS(): boolean;
    static isChromeOnIOS(): boolean;
    static isIOS(): boolean;
    static isAndroid(): boolean;
    static isFirefox(): boolean;
    static isOculus(): boolean;
    static isSafari(): boolean;
    static getIOSVersion(): number[];
    static getChromeVersion(): number;
}