import { Context } from '../Types';
export declare const BROWSER_CONTEXT: Context;
export declare function isBrowserContext(): boolean;
export declare function executeInBrowserContext(func: Function): any;
export declare function getBrowserInfo(): {
    name: string;
    version: string;
};
export declare function isLocalStorageAvailable(): boolean;
export declare function isServiceWorkerSupported(): boolean;
export declare function isWebSocketSupported(): boolean;
export declare function isTouchDevice(): boolean;
export declare function getScreenSize(): {
    width: number;
    height: number;
};
export declare function getBrowserLanguage(): string;
export declare function isOnline(): boolean;