paramMap.put("url_exclude_pattern", ".*");

        try {
            indexUpdateCallback.isUrlCrawlable(paramMap, null);
            fail("Expected NullPointerException for null URL");
        } catch (NullPointerException e) {
            // Expected behavior - the method doesn't handle null URLs
        }
    }

    public void test_isUrlCrawlable_nullUrlWithoutPattern() {

  public void testRemove() {
    create().remove(null);
  }

  public void testClear() {
    create().clear();
  }

  public void testContainsKey() {
    boolean unused = create().containsKey(null);
  }

  public void testContainsValue() {
    boolean unused = create().containsValue(null);
  }

  public void testGet() {
    Object unused = create().get(null);
  }

  public void testPut() {

        if (tag.equalsIgnoreCase(node.getNodeName())) {
            if (attrName != null) {
                final Node attr = node.getAttributes().getNamedItem(attrName);
                if (attr == null || !attrValue.equals(attr.getNodeValue())) {
                    return false;
                }
            }
            if (id == null) {
                if (css == null) {
                    return true;
                }

        if (scope != null && scope.length() != 0) {
            result += scope.hashCode();
        }
        return result;
    }

    @Override
    public boolean equals(final Object obj) {
        Name n;

        if (!(obj instanceof Name)) {
            return false;
        }
        n = (Name) obj;
        if (scope == null && n.scope == null) {

        pageSize = getDefaultPageSize();
        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
        regularName = null;
        duplicateHostName = null;
        sortOrder = null;
        createdBy = null;
        createdTime = null;
        versionNo = null;

    }

    /**
     * Returns the default current page number.
     *

        if (configId != null) {
            addFieldToSource(sourceMap, "configId", configId);
        }
        if (errorCount != null) {
            addFieldToSource(sourceMap, "errorCount", errorCount);
        }
        if (errorLog != null) {
            addFieldToSource(sourceMap, "errorLog", errorLog);
        }
        if (errorName != null) {

    // Populate the results list with null initially.
    for (int i = 0; i < futures.size(); ++i) {
      values.add(null);
    }

    this.values = values;
  }

  @Override
  final void collectOneValue(int index, @ParametricNullness V returnValue) {
    @RetainedLocalRef List<@Nullable Present<V>> localValues = values;
    if (localValues != null) {
      localValues.set(index, new Present<>(returnValue));

        assertTrue(fessUserBean.hasRole("user"));
        assertTrue(fessUserBean.hasRole("manager"));
        assertFalse(fessUserBean.hasRole("guest"));

        // Test with null check
        assertFalse(fessUserBean.hasRole(null));
    }

    public void test_hasRoles() {
        // Test with no roles
        testUser.setRoleNames(new String[] {});

   *
   * @return the replacement characters, or {@code null} if no escaping was required
   */
  @Override
  protected final char @Nullable [] escape(int cp) {
    if (cp < replacementsLength) {
      char[] chars = replacements[cp];
      if (chars != null) {
        return chars;
      }
    }
    if (cp >= safeMin && cp <= safeMax) {
      return null;
    }
    return escapeUnsafe(cp);
  }

                }
            }
        } finally {
            this.open = false;
            if (t != null) {
                // release tree usage
                t.release();
            }
            this.tree = null;
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbFileHandle#close()
     */
    @Override