public WebAuthenticationConfig getWebAuthenticationConfig() {
        if (StringUtil.isEmpty(getUsername())) {
            throw new CrawlerSystemException(
                    "Username is empty in WebAuthentication configuration. A valid username must be provided for authentication.");
        }

        final WebAuthenticationConfig config = new WebAuthenticationConfig();

    }

    private <T> void validateNonEmpty(String element, T value, Predicate<T> isEmpty) {
        if (isEmpty.test(value)) {
            logError(element, "is empty");
        }
    }

    private <T> void validateNonNull(String element, T value, Runnable validator) {
        if (value == null) {
            logError(element, "is missing");
        } else {

  /**
   * Creates a new, empty instance of the class under test.
   *
   * @return a new, empty map instance.
   * @throws UnsupportedOperationException if it's not possible to make an empty instance of the
   *     class under test.
   */
  protected abstract Map<K, V> makeEmptyMap() throws UnsupportedOperationException;

  /**
   * Creates a new, non-empty instance of the class under test.
   *

  private @Nullable T nextOrNull;

  /**
   * Creates a new iterator with the given first element, or, if {@code firstOrNull} is null,
   * creates a new empty iterator.
   */
  protected AbstractSequentialIterator(@Nullable T firstOrNull) {
    this.nextOrNull = firstOrNull;
  }

  /**

	bucket := minioMetaBucket
	ctx := t.Context()
	testCases := []struct {
		name            string
		headers         http.Header
		wantObjectAttrs map[string]struct{}
	}{
		{
			name:            "empty header",
			headers:         http.Header{},
			wantObjectAttrs: map[string]struct{}{},
		},
		{
			name: "single header line",
			headers: http.Header{
				xhttp.AmzObjectAttributes: []string{"test1,test2"},
			},

     * @param parser
     *            The {@link SAXParser} on which the property is to be set. Must not be {@literal null}.
     * @param name
     *            The name of the property to be set. Must not be {@literal null} or an empty string.
     * @param value
     *            The value of the property to be set.
     */
    public static void setProperty(final SAXParser parser, final String name, final String value) {

    @Test
    @DisplayName("Test readDataWireFormat with empty buffer throws exception")
    void testReadDataWireFormatWithEmptyBuffer() {
        response = new Trans2QueryPathInformationResponse(mockConfig, FileInformation.FILE_BASIC_INFO);

        byte[] buffer = new byte[0];
        response.setDataCount(0);

        // The implementation will try to decode even with an empty buffer, causing ArrayIndexOutOfBoundsException

    request: Request,
    proxyType: Proxy.Type,
  ): Boolean = !request.isHttps && proxyType == Proxy.Type.HTTP

  /**
   * Returns the path to request, like the '/' in 'GET / HTTP/1.1'. Never empty, even if the request
   * URL is. Includes the query component if it exists.
   */
  fun requestPath(url: HttpUrl): String {
    val path = url.encodedPath
    val query = url.encodedQuery

    void testConstructorWithNullFilename() {
        // When & Then
        assertDoesNotThrow(() -> new Trans2GetDfsReferral(mockConfig, null));
    }

    @Test
    @DisplayName("Constructor should handle empty filename")
    void testConstructorWithEmptyFilename() {
        // When & Then
        assertDoesNotThrow(() -> new Trans2GetDfsReferral(mockConfig, ""));
    }

    @Test

 * @author Kevin Bourrillion
 */
@GwtCompatible
@SuppressWarnings("serial") // uses writeReplace(), not default serialization
final class RegularImmutableList<E> extends ImmutableList<E> {
  static final ImmutableList<Object> EMPTY = new RegularImmutableList<>(new Object[0], 0);

  // The first `size` elements are non-null.
  @VisibleForTesting final transient @Nullable Object[] array;
  private final transient int size;