/**
 * @returns `true` if the code is running in a browser environment.
 */
export declare const isBrowser: boolean;
/**
 * @returns `true` if the code is running in a Tauri environment.
 */
export declare const isTauri: boolean;
/**
 * @returns The browser language, or `undefined` if it cannot be determined.
 */
export declare function getBrowserLanguage(): string | null | undefined;