*     null} is treated as the four-character string {@code "null"}.
   * @param args the arguments to be substituted into the message template. The first argument
   *     specified is substituted for the first occurrence of {@code "%s"} in the template, and so
   *     forth. A {@code null} argument is converted to the four-character string {@code "null"};

        if (baseField != null) {
            HtmlNext htmlNext = (HtmlNext) baseField.get(null);
            assertTrue("Base path should match pattern", htmlNext.getRoutingPath().startsWith(basePath));
        }

        if (detailsField != null) {
            HtmlNext htmlNext = (HtmlNext) detailsField.get(null);

      if (!logHeaders && requestBody != null) {
        requestStartMessage += " (${requestBody.contentLength()}-byte body)"
      }
      logger.log(requestStartMessage)

      if (logHeaders) {
        val headers = request.headers

        if (requestBody != null) {

    assertFalse(entries.contains(Maps.<String, @Nullable Boolean>immutableEntry("c", null)));
    assertFalse(entries.contains(Maps.<@Nullable String, Boolean>immutableEntry(null, true)));
  }

  @Override
  public void testKeySetRemoveAllNullFromEmpty() {
    try {
      super.testKeySetRemoveAllNullFromEmpty();
    } catch (RuntimeException tolerated) {

                this.systemProperties =
                        systemProperties != null ? Map.copyOf(systemProperties) : session.getSystemProperties();
                this.userProperties = userProperties != null ? Map.copyOf(userProperties) : session.getUserProperties();
                this.repositoryMerging = repositoryMerging;

      Preconditions.checkNotNull(runnable, "Runnable was null.");
      Preconditions.checkNotNull(executor, "Executor was null.");

      synchronized (this) {
        if (!executed) {
          RunnableExecutorPair newTail = new RunnableExecutorPair(runnable, executor);
          if (head == null) {
            head = newTail;
            tail = newTail;
          } else {

        });

        assertEquals(0, netShareEnum.writeDataWireFormat(null, 0));

        // Read methods return 0 with null buffers
        assertEquals(0, netShareEnum.readSetupWireFormat(null, 0, 0));
        assertEquals(0, netShareEnum.readParametersWireFormat(null, 0, 0));
        assertEquals(0, netShareEnum.readDataWireFormat(null, 0, 0));
    }

    @Test

        }

        @Test
        @DisplayName("should handle null versions in comparison")
        void shouldHandleNullVersionsInComparison() {
            assertFalse(ModelVersionUtils.isVersionGreaterOrEqual(null, "4.1.0"));
            assertFalse(ModelVersionUtils.isVersionGreaterOrEqual("4.1.0", null));
            assertFalse(ModelVersionUtils.isNewerThan410(null));
        }
    }

    @Nested

   *
   * @return {@code first} if it is non-null; otherwise {@code second} if it is non-null
   * @throws NullPointerException if both {@code first} and {@code second} are null
   * @since 18.0 (since 3.0 as {@code Objects.firstNonNull}).
   */
  public static <T> T firstNonNull(@Nullable T first, @Nullable T second) {
    if (first != null) {
      return first;
    }
    if (second != null) {
      return second;
    }

        }
    }

    // Test with null values
    @Test
    public void test_nullValues() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getMailFromName() {
                return null;
            }

            @Override