*/
  public static <T> T firstNonNull(@Nullable T first, @Nullable T second) {
    if (first != null) {
      return first;
    }
    if (second != null) {
      return second;
    }
    throw new NullPointerException("Both parameters are null");
  }

  /**
   * Creates an instance of {@link ToStringHelper}.
   *
   * <p>This is helpful for implementing {@link Object#toString()}. Specification by example:

    @Test
    @DisplayName("Should handle null maximum version")
    void testNullMaximumVersion() {
        // Given
        when(mockConfig.getMaximumVersion()).thenReturn(null);

        // When/Then - Should throw NPE based on actual implementation
        assertThrows(NullPointerException.class, () -> {
            new Smb2NegotiateRequest(mockConfig, 0);
        });
    }

    @Test

     * which was showing transitive inconsistency: since A > B and B > C then we should have A > C
     * otherwise sorting a list of ComparableVersions() will in some cases throw runtime exception;
     * see Netbeans issues <a href="https://netbeans.org/bugzilla/show_bug.cgi?id=240845">240845</a> and
     * <a href="https://netbeans.org/bugzilla/show_bug.cgi?id=226100">226100</a>
     */
    @Test

                }
                queryBuilder = boolQueryBuilder;
            }

            return queryBuilder;
        } catch (final IOException e) {
            throw new SuggesterException("Failed to create queryString.", e);
        }
    }

    /**
     * Builds a filter query.
     * @param fieldName The field name.
     * @param words The words to filter by.

        assertTrue(log.matches(".*used [0-9.]+[a-zA-Z]+, heap [0-9.]+[a-zA-Z]+, max [0-9.]+[a-zA-Z]+.*"));
    }

    public void test_byteCountToDisplaySize_edgeCases() {
        // Test negative values - should throw NullPointerException in private method via BigInteger.valueOf
        try {
            MemoryUtil.byteCountToDisplaySize(-1L);
            // If no exception, verify it handles negative as expected

                installArtifact(artifact);
                saveInfo(messages -> messages.addSuccessInstallPlugin(GLOBAL, artifact.getFileName()));
            }
        } catch (final ValidationErrorException e) {
            throw e;
        } catch (final Exception e) {
            throwValidationError(messages -> messages.addErrorsFailedToInstallPlugin(GLOBAL, form.id), this::asListHtml);
        }
        return redirect(getClass());
    }

    try {
      in.copyTo(out);
      fail();
    } catch (IOException expected) {
      return expected.getSuppressed().length;
    }
    throw new AssertionError(); // can't happen
  }

  private static CharSource newNormalCharSource() {
    return CharSource.wrap("ABC");
  }

  private static CharSink newNormalCharSink() {

        byte[] validToken = createTestTicketBytes(new BigInteger(KerberosConstants.KERBEROS_VERSION), SERVER_REALM, SERVER_PRINCIPAL_NAME,
                ENCRYPTION_TYPE, ENCRYPTED_DATA, null);
        // This should not throw an exception if decryption is mocked
        try (MockedStatic<KerberosEncData> mockedEncData = Mockito.mockStatic(KerberosEncData.class)) {
            byte[] decryptedData = createDecryptedDataBytes(USER_PRINCIPAL_NAME, USER_REALM);

    try {
      in.copyTo(out);
      fail();
    } catch (IOException expected) {
      return expected.getSuppressed().length;
    }
    throw new AssertionError(); // can't happen
  }

  private static CharSource newNormalCharSource() {
    return CharSource.wrap("ABC");
  }

  private static CharSink newNormalCharSink() {

        // Don't stub mockSid2 since it won't be reached due to NPE on null element
        testSids = new jcifs.SID[] { mockSid1, null, mockSid2 };

        // Act & Assert - This should throw an exception when LsarSidArrayX tries to process null
        assertThrows(NullPointerException.class, () -> {
            new MsrpcLookupSids(mockPolicyHandle, testSids);
        });
    }

    @Test