.exists("exists" + Long.toHexString(entropy.nextLong()))
                .missing("missing" + Long.toHexString(entropy.nextLong()))
                .build();
        ActivationProperty ap = ActivationProperty.newBuilder()
                .name("name" + Long.toHexString(entropy.nextLong()))
                .value("value" + Long.toHexString(entropy.nextLong()))
                .build();

package org.apache.maven.monitor.event;

/**
 */
@Deprecated
public interface EventMonitor {

    void startEvent(String eventName, String target, long timestamp);

    void endEvent(String eventName, String target, long timestamp);

    void errorEvent(String eventName, String target, long timestamp, Throwable cause);

 */
package org.apache.maven.api.services;

import org.apache.maven.api.annotations.Experimental;

@Experimental
public class DependencyResolverException extends MavenException {

    private static final long serialVersionUID = 1101171569179057614L;

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

import org.apache.maven.api.annotations.Experimental;

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

    private static final long serialVersionUID = 7252294837746943917L;

    /**
     * @param message the message for the exception
     * @param e the exception itself
     */
    public ArtifactResolverException(String message, Exception e) {

     *
     * @param project The project being summarized, must not be {@code null}.
     * @param time The build time of the project in milliseconds.
     */
    public BuildSuccess(MavenProject project, long time) {
        super(project, time);
    }

public class MojoException extends MavenException {

    protected Object source;

    protected String longMessage;

    /**
     * Construct a new <code>MojoException</code> exception providing the source and a short and long message:
     * these messages are used to improve the message written at the end of Maven build.
     */
    public MojoException(Object source, String shortMessage, String longMessage) {
        super(shortMessage);

    }

    public void transferProgress(TransferEvent transferEvent, byte[] buffer, int length) {
        Long transferred;
        synchronized (transfers) {
            transferred = transfers.get(transferEvent.getResource());
            if (transferred == null) {
                transferred = (long) length;
            } else {
                transferred = transferred + length;
            }

     *
     * @return The of the artifact in bytes or a negative value if unknown.
     */
    long getContentLength();

    /**
     * Gets the timestamp when the transfer of this artifact was started.
     *
     * @return The timestamp when the transfer of this artifact was started.
     */
    long getTransferStartTime();

            MavenSession rootSession,
            ReactorContext reactorContext,
            MavenProject currentProject,
            TaskSegment taskSegment) {
        session.setCurrentProject(currentProject);

        long buildStartTime = System.currentTimeMillis();

        try {

            if (reactorContext.getReactorBuildStatus().isHaltedOrBlacklisted(currentProject)) {

        return ArtifactUtils.versionlessKey(project.getGroupId(), project.getArtifactId());
    }

    public void registerBuildFailure(MavenProject project, Exception error, String task, long time) {
        buildFailuresByProject.put(getProjectKey(project), new BuildFailure(project, time, error));
    }

    public boolean hasBuildFailures() {
        return !buildFailuresByProject.isEmpty();
    }