private @Nullable EnumSet<E> set;

    void add(E e) {
      if (set == null) {
        set = EnumSet.of(e);
      } else {
        set.add(e);
      }
    }

    EnumSetAccumulator<E> combine(EnumSetAccumulator<E> other) {
      if (this.set == null) {
        return other;
      } else if (other.set == null) {
        return this;
      } else {
        this.set.addAll(other.set);

    private @Nullable EnumSet<E> set;

    void add(E e) {
      if (set == null) {
        set = EnumSet.of(e);
      } else {
        set.add(e);
      }
    }

    EnumSetAccumulator<E> combine(EnumSetAccumulator<E> other) {
      if (this.set == null) {
        return other;
      } else if (other.set == null) {
        return this;
      } else {
        this.set.addAll(other.set);

            @dev-productivity
      - name: Trigger a build
        uses: peter-evans/create-or-update-comment@v4
        if: ${{ steps.create-pull-request.outputs.pull-request-number }}
        with:
          issue-number: ${{ steps.create-pull-request.outputs.pull-request-number }}
          body: |
            @bot-gradle test ReadyForNightly
            ```
            stopGradleDaemons=true

  public void testContainsEntryNullYes() {
    initMultimapWithNullKeyAndValue();
    assertTrue(multimap().containsEntry(null, null));
  }

  @MapFeature.Require({ALLOWS_NULL_KEY_QUERIES, ALLOWS_NULL_VALUE_QUERIES})
  public void testContainsEntryNullNo() {
    assertFalse(multimap().containsEntry(null, null));
  }

  @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)

            return null;
        }
        if (StringUtil.isBlank(osddPath)) {
            logger.info("OSDD file is not found.");
            return null;
        }
        final String path = LaServletContextUtil.getServletContext().getRealPath(osddPath);
        if (path == null) {
            logger.warn("{} was not found.", path);
            return null;
        }

    public void test_isValid_nullValue() {
        final CustomSize annotation = createBasicAnnotation();
        validator.initialize(annotation);

        // Test null context - should return true for null value regardless of context
        assertTrue(validator.isValid(null, null));
    }

    public void test_initialize_withValidParameters() {
        final CustomSize annotation = createBasicAnnotation();

     * Ensure encode throws NPE when passed a null buffer.
     */
    @Test
    @DisplayName("Encode with null buffer throws NullPointerException")
    public void testEncodeNullBuffer() throws NdrException {
        NdrHyper hyper = new NdrHyper(5L);
        assertThrows(NullPointerException.class, () -> hyper.encode(null));
    }

    /**
     * Ensure decode throws NPE when passed a null buffer.
     */
    @Test

        // The decode method returns only the header size (16 bytes)\n        assertEquals(16, bytesDecoded);
    }

    @Test
    @DisplayName("Test getters return initial null/zero values")
    void testInitialGetterValues() {
        // Create fresh instance
        SrvPipePeekResponse freshResponse = new SrvPipePeekResponse();

        // Verify initial state

    }

    @Test
    @DisplayName("openConnection with null URL throws NullPointerException")
    void testOpenConnection_NullInput() {
        // Arrange
        Handler handler = newHandlerWith(mockCtx);

        // Act & Assert
        assertThrows(NullPointerException.class, () -> handler.openConnection(null), "Null URL should throw NPE");

        final HttpServletRequest request = LaRequestUtil.getOptionalRequest().orElse(null);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final boolean isApiRequest =
                !SearchRequestType.SEARCH.equals(searchRequestType) && !SearchRequestType.ADMIN_SEARCH.equals(searchRequestType);

        if (request != null) {
            @SuppressWarnings("unchecked")