*/
public class ExceptionSummary {

    private Throwable exception;

    private String message;

    private String reference;

    private List<ExceptionSummary> children;

    public ExceptionSummary(Throwable exception, String message, String reference) {
        this(exception, message, reference, null);
    }

     */
    public TransportException(final Throwable rootCause) {
        this.rootCause = rootCause;
    }

    /**
     * Constructs a new TransportException with the specified detail message and root cause.
     *
     * @param msg the detail message
     * @param rootCause the root cause of this exception
     */
    public TransportException(final String msg, final Throwable rootCause) {
        super(msg);

        this.source = source;
        this.longMessage = longMessage;
    }

    /**
     * Constructs a new {@code MojoException} wrapping an underlying {@code Throwable}
     * and providing a {@code message}.
     */
    public MojoException(String message, Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new {@code MojoException} providing a {@code message}.
     */

    }

    public ProjectExecutionEvent(MavenSession session, MavenProject project, Throwable cause) {
        this(session, project, null, cause);
    }

    public ProjectExecutionEvent(
            MavenSession session, MavenProject project, List<MojoExecution> executionPlan, Throwable cause) {
        this.session = session;
        this.project = project;
        this.executionPlan = executionPlan;

    public void fatal(final String message, final Throwable t) {
        logger.fatal(message, t);
    }

    @Override
    public boolean isErrorEnabled() {
        return logger.isErrorEnabled();
    }

    @Override
    public void error(final String message) {
        logger.error(message);
    }

    @Override
    public void error(final String message, final Throwable t) {
        logger.error(message, t);
    }

    protected boolean setException(Throwable throwable) {
      boolean result = sync.setException(checkNotNull(throwable));
      if (result) {
        executionList.execute();
      }
      return result;
    }

    /**
     * Following the contract of {@link AbstractQueuedSynchronizer} we create a private subclass to
     * hold the synchronizer. This synchronizer is used to implement the blocking and waiting calls

    @Nullable private String value = null;
    @Nullable private Throwable failure = null;
    private boolean wasCalled = false;
    private final Object monitor = new Object();

    MockCallback(String expectedValue) {
      this.value = expectedValue;
    }

    MockCallback(Throwable expectedFailure) {
      this.failure = expectedFailure;
    }

    @Override

    protected boolean setException(Throwable throwable) {
      boolean result = sync.setException(checkNotNull(throwable));
      if (result) {
        executionList.execute();
      }
      return result;
    }

    /**
     * Following the contract of {@link AbstractQueuedSynchronizer} we create a private subclass to
     * hold the synchronizer. This synchronizer is used to implement the blocking and waiting calls

    }

    @Override
    public void fatal(final String message) {
        logger.logp(Level.SEVERE, sourceClass, null, message);
    }

    @Override
    public void fatal(final String message, final Throwable t) {
        logger.logp(Level.SEVERE, sourceClass, null, message, t);
    }

    @Override
    public boolean isErrorEnabled() {
        return logger.isLoggable(Level.SEVERE);
    }

    @Override

     */
    public BuildFailure(MavenProject project, Duration execTime, Duration wallTime, Throwable cause) {
        super(project, execTime, wallTime);
        this.cause = cause;
    }

    /**
     * Gets the cause of the build failure.
     *
     * @return The cause of the build failure or {@code null} if unknown.
     */
    public Throwable getCause() {
        return cause;
    }