binary.Write(buf, binary.BigEndian, crc32.ChecksumIEEE(prelude))
	buf.Write(header)
	message := buf.Bytes()
	binary.Write(buf, binary.BigEndian, crc32.ChecksumIEEE(message))

	fmt.Println(buf.Bytes())
}

func genProgressHeader() {
	buf := new(bytes.Buffer)

	buf.WriteByte(13)
	buf.WriteString(":message-type")
	buf.WriteByte(7)
	buf.Write([]byte{0, 5})
	buf.WriteString("event")

  internal var headerValue: String?,
) {
  @JvmName("-deprecated_noCache")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "noCache"),
    level = DeprecationLevel.ERROR,
  )
  fun noCache(): Boolean = noCache

  @JvmName("-deprecated_noStore")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "noStore"),
    level = DeprecationLevel.ERROR,
  )

    private final List<RequestResult<?, ?>> results;

    /**
     * Constructs a new BatchRequestException with the specified message and results.
     *
     * @param <REQ> The type of the request
     * @param <REP> The type of the response
     * @param message The error message describing the batch operation failure
     * @param allResults List of results from all attempted requests in the batch
     */

     *
     * @param message
     */
    public MojoFailureException(String message) {
        super(message);
    }

    /**
     * Construct a new <code>MojoFailureException</code> exception wrapping an underlying <code>Throwable</code>
     * and providing a <code>message</code>.
     *
     * @param message
     * @param cause
     * @since 2.0.9
     */

 */
@Deprecated
public class ArtifactTransferFailedException extends Exception {
    public ArtifactTransferFailedException(final String message) {
        super(message);
    }

    public ArtifactTransferFailedException(final String message, final Throwable cause) {
        super(message, cause);
    }

    public MavenExecutionRequestPopulationException(String message) {
        super(message);
    }

    public MavenExecutionRequestPopulationException(Throwable cause) {
        super(cause);
    }

    public MavenExecutionRequestPopulationException(String message, Throwable cause) {
        super(message, cause);
    }

	}
}

// Error returns the error message
func (u Err) Error() string {
	if u.detail == "" {
		if u.msg != "" {
			return u.msg
		}
		return "<nil>"
	}
	return u.detail
}

// Msg - Replace the current error's message
func (u Err) Msg(m string) Err {
	e := u.Clone()
	e.msg = m
	return e
}

// Msgf - Replace the current error's message
func (u Err) Msgf(m string, args ...any) Err {

  fun assertClose() {
    nextEvent() as Closed
  }

  fun assertFailure(
    message: String?,
    code: Int? = null,
  ) {
    val event = nextEvent() as Failure
    if (code != null) {
      assertThat(event.response?.code).isEqualTo(code)
    }
    if (message != null) {
      assertThat(event.message).isEqualTo(message)
    } else {
      assertThat(event.t).isNull()
    }
  }

    public WagonConfigurationException(String repositoryId, String message, Throwable cause) {
        super(repositoryId, message, cause);
    }

    public WagonConfigurationException(String repositoryId, String message) {
        super(repositoryId, message);
    }

 *
 * @since 4.0.0
 */
@Experimental
public class VersionParserException extends MavenException {

    /**
     * @param message the message to give
     * @param e the {@link Exception}
     */
    public VersionParserException(String message, Exception e) {
        super(message, e);
    }