if (needsAllocArrays()) {
      return;
    }
    this.firstEntry = ENDPOINT;
    this.lastEntry = ENDPOINT;
    // Either both arrays are null or neither is, but we check both to satisfy the nullness checker.
    if (predecessor != null && successor != null) {
      Arrays.fill(predecessor, 0, size(), 0);
      Arrays.fill(successor, 0, size(), 0);
    }
    super.clear();
  }

  /*

   *
   * <p>Specifically, if any range in this range map contains the specified key, the value
   * associated with that range is returned.
   */
  @Nullable V get(K key);

  /**
   * Returns the range containing this key and its associated value, if such a range is present in
   * the range map, or {@code null} otherwise.
   */

    /**
     * Test readBytes with null file throws exception
     */
    @Test
    public void testReadBytes_NullFile() {
        try {
            FileUtil.readBytes(null);
            fail("Expected IllegalArgumentException");
        } catch (final IllegalArgumentException e) {
            // Expected
        }
    }

    /**
     * Test isPathSafe with null path throws exception
     */
    @Test

    @Test
    void testService_NoAuthHeader_NoSession() throws ServletException, IOException {
        ntlmServlet.init(servletConfig);
        when(request.getHeader("Authorization")).thenReturn(null);
        when(request.getSession(false)).thenReturn(null);
        lenient().when(request.isSecure()).thenReturn(true);

        ntlmServlet.service(request, response);

        verify(response).setHeader("WWW-Authenticate", "NTLM");

            assertTrue(e.getMessage().contains("INVALID"));
        }
    }

    @Test
    public void test_valueOf_null() {
        // Test valueOf with null throws exception
        try {
            SsoResponseType.valueOf(null);
            fail("Expected NullPointerException");
        } catch (NullPointerException e) {
            // Expected exception
        }
    }

    @Test

  public void testAddAtIndex_nullSupported() {
    getList().add(0, null);
    expectAdded(0, (E) null);
  }

  @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX)
  @CollectionFeature.Require(absent = ALLOWS_NULL_VALUES)
  public void testAddAtIndex_nullUnsupported() {
    assertThrows(NullPointerException.class, () -> getList().add(0, null));
    expectUnchanged();

        try {
            return new Metadata(delegate.read(reader, strict));
        } catch (XMLStreamException e) {
            throw new XmlPullParserException(e.getMessage(), null, e);
        }
    }

    /**
     * Method read.
     *
     * @param reader a reader object.
     * @return Metadata
     * @throws IOException            IOException if any.

./mc mb -l myminio/versioned

./mc mirror internal myminio/versioned/ --quiet >/dev/null

## Soft delete (creates delete markers)
./mc rm -r --force myminio/versioned >/dev/null

## mirror again to create another set of version on top
./mc mirror internal myminio/versioned/ --quiet >/dev/null

expected_checksum=$(./mc cat internal/dsync/drwmutex.go | md5sum)

        }
        final String thumbnailPath = System.getProperty(Constants.FESS_THUMBNAIL_PATH);
        if (thumbnailPath != null) {
            baseDir = new File(thumbnailPath);
        } else {
            final String varPath = System.getProperty(Constants.FESS_VAR_PATH);
            if (varPath != null) {
                baseDir = new File(varPath, THUMBNAILS_DIR_NAME);
            } else {

    /** The confirm password. */
    @NotBlank
    public String confirmPassword;

    /**
     * Clears security information.
     */
    public void clearSecurityInfo() {
        password = null;
        confirmPassword = null;
    }