func KeyCloak(opts ...Option) (Provider, error) {
	p := &KeycloakProvider{}

	for _, opt := range opts {
		opt(p)
	}

	if p.adminURL == "" {
		return nil, errors.New("Admin URL cannot be empty")
	}

	_, err := url.Parse(p.adminURL)
	if err != nil {
		return nil, fmt.Errorf("Unable to parse the adminURL %s: %w", p.adminURL, err)
	}

	if p.client.Transport == nil {

   * it.
   */
  transient Class<K> keyTypeOrObjectUnderJ2cl;
  transient Class<V> valueTypeOrObjectUnderJ2cl;

  /**
   * Returns a new, empty {@code EnumBiMap} using the specified key and value types.
   *
   * @param keyType the key type
   * @param valueType the value type
   */
  public static <K extends Enum<K>, V extends Enum<V>> EnumBiMap<K, V> create(

   */
  @get:JvmName("proxySelector") val proxySelector: ProxySelector,
) {
  /**
   * Returns a URL with the hostname and port of the origin server. The path, query, and fragment of
   * this URL are always empty, since they are not significant for planning a route.
   */
  @get:JvmName("url")
  val url: HttpUrl =
    HttpUrl.Builder()
      .scheme(if (sslSocketFactory != null) "https" else "http")
      .host(uriHost)

   * it.
   */
  transient Class<K> keyTypeOrObjectUnderJ2cl;
  transient Class<V> valueTypeOrObjectUnderJ2cl;

  /**
   * Returns a new, empty {@code EnumBiMap} using the specified key and value types.
   *
   * @param keyType the key type
   * @param valueType the value type
   */
  public static <K extends Enum<K>, V extends Enum<V>> EnumBiMap<K, V> create(

</p>

<p>
A <a href="#Blocks">statement list</a> ends in a terminating statement if the list
is not empty and its final non-empty statement is terminating.
</p>


<h3 id="Empty_statements">Empty statements</h3>

<p>
The empty statement does nothing.
</p>

<pre class="ebnf">
EmptyStmt = .
</pre>

            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    public static OptionalEntity<DuplicateHost> getDuplicateHost(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

                return ComponentUtil.getComponent(KeyMatchService.class).getKeyMatch(((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    public static OptionalEntity<KeyMatch> getKeyMatch(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

		t.Fatal(err)
	}

	accessID := globalActiveCred.AccessKey
	testCases := []struct {
		authString    string
		expectedError APIErrorCode
	}{
		// Test case - 1.
		// Case with empty V2AuthString.
		{
			authString:    "",
			expectedError: ErrAuthHeaderEmpty,
		},
		// Test case - 2.
		// Test case with `signV2Algorithm` ("AWS") not being the prefix.
		{
			authString:    "NoV2Prefix",

        }
    }

    protected String preprocessUri(final String uri) {
        if (StringUtil.isEmpty(uri)) {
            throw new CrawlerSystemException("The uri is empty.");
        }

        String filePath = uri;
        if (!filePath.startsWith("file:")) {
            filePath = "file://" + filePath;
        }

                    factory.setFeature(Constants.FEATURE_EXTERNAL_PARAMETER_ENTITIES, false);
                    factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, StringUtil.EMPTY);
                    factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, StringUtil.EMPTY);
                    final DocumentBuilder builder = factory.newDocumentBuilder();
                    final Document document = builder.parse(is);