public static boolean isPlainHttp(NetworkService networkService) {
    checkNotNull(networkService);

    var isWebService = isWebService(networkService);
    var isKnownServiceName = IS_PLAIN_HTTP_BY_KNOWN_WEB_SERVICE_NAME.containsKey(
            Ascii.toLowerCase(networkService.getServiceName()));
    var doesNotSupportAnySslVersion = networkService.getSupportedSslVersionsCount() == 0;

    if (!isKnownServiceName) {
      return isWebService && doesNotSupportAnySslVersion;
    }

    var isKnownPlainHttpService =
        IS_PLAIN_HTTP_BY_KNOWN_WEB_SERVICE_NAME.getOrDefault(
            Ascii.toLowerCase(networkService.getServiceName()), false);

    return isKnownPlainHttpService && doesNotSupportAnySslVersion;
  }
@Test
  public void isPlainHttp_whenRadanHttpService_returnsTrue() {
    assertThat(
        NetworkServiceUtils.isPlainHttp(
            NetworkService.newBuilder().setServiceName("radan-http").build()))
        .isTrue();
  }