case 1:
		return x.unmarshalV1(bts)
	case 2:
		x2 := xlMetaV2VersionHeaderV2{xlMetaV2VersionHeader: x}
		return x2.UnmarshalMsg(bts)
	case xlHeaderVersion:
		return x.UnmarshalMsg(bts)
	}
	return bts, fmt.Errorf("unknown xlHeaderVersion: %d", v)
}

// unmarshalV1 decodes version 1, never released.
func (x *xlMetaV2VersionHeader) unmarshalV1(bts []byte) (o []byte, err error) {
	var zb0001 uint32

     *
     * @param cause the cause which is saved for later retrieval by the {@link #getCause()} method.
     *              A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.
     * @since 3.8.3
     */
    public AbstractMojoExecutionException(Throwable cause) {
        super(cause);
    }

    public String getLongMessage() {
        return longMessage;
    }

            case WARN -> logger.warn(message, error);
            case INFO -> logger.info(message, error);
            case DEBUG -> logger.debug(message, error);
            default -> logger.error("UNKNOWN LEVEL {}: {}", level, message, error);
        }
    }

     * source.
     *
     * @param field The key of the field, must not be
     * <code>null</code>.
     * @return The location of the field in the input source or
     * <code>null</code> if unknown.
     */
    public InputLocation getLocation(Object field);
    /**
     * Sets the location of the specified field.
     *
     * @param field The key of the field, must not be
     * <code>null</code>.

        case COMPRESSION_PATTERN_V1:
            throw new CIFSException("Pattern_V1 compression not yet implemented");

        default:
            throw new CIFSException("Unknown compression algorithm: " + algorithm);
        }
    }

    @Override
    public byte[] decompress(byte[] compressedData, int algorithm) throws CIFSException {
        if (compressedData == null) {

        if (name instanceof Name) {
            this.srcHashCode = ((Name) name).srcHashCode;
        }
    }

    /**
     * Checks if this represents an unknown address.
     *
     * @return whether this is the unknown address
     */
    public boolean isUnknown() {
        return "0.0.0.0".equals(this.name) && this.hexCode == 0 && this.scope == null;
    }

	}

	if sipHashElement := hashKey("SIPMOD", "This will fail", 0, testUUID); sipHashElement != -1 {
		t.Errorf("Test: Expected \"-1\" but got \"%v\"", sipHashElement)
	}

	if sipHashElement := hashKey("UNKNOWN", "This will fail", 0, testUUID); sipHashElement != -1 {
		t.Errorf("Test: Expected \"-1\" but got \"%v\"", sipHashElement)
	}
}

// TestCrcHashMod - test crc hash.
func TestCrcHashMod(t *testing.T) {

 *
 * @since 3.0.2
 */
public interface RuntimeInformation {

    /**
     * Retrieves the current Maven version, for example "3.0.2".
     *
     * @return The current Maven version or an empty string if unknown, never {@code null}.
     */
    String getMavenVersion();

    /**
     * Checks whether the current Maven runtime matches the specified version range. A version range can either use the

        assertThrows(IOException.class, () -> sis.read());
    }

    @Test
    @DisplayName("Unknown packet type is handled by continuing to next packet")
    void unknownPacketTypeHandled() throws IOException {
        // According to the SocketInputStream implementation, unknown packet types
        // are handled in the switch statement's default case which continues the loop

        }
        throw new InvalidQueryException(messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                "Unknown q: " + query.getClass() + " => " + query);
    }