private static final long serialVersionUID = 0;
  }

  /**
   * Creates a {@code HashCode} from a hexadecimal ({@code base 16}) encoded string. The string must
   * be at least 2 characters long, and contain only valid, lower-cased hexadecimal characters.
   *
   * <p>This method accepts the exact format generated by {@link #toString}. If you require more

	//
	// This flag should only be set if the user intends to encode a non-portable
	// ZIP file for a specific localized region. Otherwise, the Writer
	// automatically sets the ZIP format's UTF-8 flag for valid UTF-8 strings.
	NonUTF8 bool

	CreatorVersion uint16
	ReaderVersion  uint16
	Flags          uint16

	// Method is the compression method. If zero, Store is used.
	Method uint16

      }
    }

    /**
     * @see Service#failureCause()
     */
    Throwable failureCause() {
      checkState(
          state == FAILED,
          "failureCause() is only valid if the service has failed, service is %s",
          state);
      // requireNonNull is safe because the constructor requires a non-null cause with state=FAILED.
      return requireNonNull(failure);
    }
  }

    }

    @Override
    public String toString() {
      return "BY_TO_STRING";
    }

    private Object readResolve() {
      return INSTANCE;
    }
  }

  // Always equal is a valid total ordering. And it works for any Object.
  private static final class AlwaysEqual extends Ordering<@Nullable Object>
      implements Serializable {
    private static final AlwaysEqual INSTANCE = new AlwaysEqual();

	}

	if DB.First(&Product4{}, "name = ?", product.Name).Error == nil {
		t.Errorf("should got RecordNotFound, but got nil")
	}

	product = Product4{Name: "Product-2", Price: 100, Item: ProductItem{Code: "valid"}}
	if err := DB.Create(&product).Error; err != nil {
		t.Errorf("should create product, but got error %v", err)
	}

	if err := DB.First(&Product4{}, "name = ?", product.Name).Error; err != nil {

		{[]string{"https://localhost:9000/d1", "https://localhost:9001/d2", "https://localhost:9002/d3", "https://localhost:9003/d4"}, nil},
		// // It is valid WRT endpoint list that same path is expected with different port on same server.
		{[]string{"https://127.0.0.1:9000/d1", "https://127.0.0.1:9001/d1", "https://127.0.0.1:9002/d1", "https://127.0.0.1:9003/d1"}, nil},

                        hasAllLanguages = true;
                        break;
                    }
                }
                assertTrue("Should contain ALL_LANGUAGES or have valid result", hasAllLanguages || languages.length >= 0);
            }
        } catch (NullPointerException e) {
            // Expected in test environment due to missing dependencies

        }
    }

    @Nested
    @DisplayName("Header Decoding Tests")
    class HeaderDecodingTests {

        @Test
        @DisplayName("decode_header should successfully parse valid header")
        void testDecodeHeaderSuccess() throws NdrException {
            // Mock NdrBuffer methods for successful decoding
            when(mockBuffer.dec_ndr_small()).thenReturn(5)

        assertEquals(2, sis.read());
    }

    @Test
    @DisplayName("Reading with null array throws NullPointerException")
    void readNullArrayThrowsException() {
        // Create stream with valid message header and data
        byte[] data = new byte[] { 1 };
        InputStream in = new ByteArrayInputStream(concat(messageHeader(1), data));
        SocketInputStream sis = new SocketInputStream(in);

        assertEquals("1.0 MB/s", builder.build());
    }

    @Test
    void testFormatRateLargeValues() {
        FileSizeFormat format = new FileSizeFormat();

        // Test large but valid rates
        MessageBuilder builder = new DefaultMessageBuilder();
        format.formatRate(builder, 5e12); // 5 TB/s
        assertEquals("5000.0 GB/s", builder.build());

        // Test very large rate