useragent property

Implementation

static String? get useragent {
  if (io.Platform.isIOS) return "ios";
  if (io.Platform.isAndroid) return "android";
  if (io.Platform.isMacOS) return "macos";
  if (io.Platform.isWindows) return "windows";
  if (io.Platform.isLinux) return "linux";
  if (io.Platform.isFuchsia) return "fuchsia";
  return null;
}