import type { SimplifiedUserAgentInfoOs } from "../types/ua/simplifiedUserAgentInfoOs";
/**
 * Extracts operating system information from a User-Agent string
 *
 * @param ua - The User-Agent string to analyze
 * @returns The detected operating system ("ios", "android", "macos", "windows", "linux", or "other")
 *
 * @example
 * ```ts
 * const os = extractOsFromUserAgent(navigator.userAgent);
 * // os: "macos"
 * ```
 */
export declare const extractOsFromUserAgent: (ua: string) => SimplifiedUserAgentInfoOs;