* registered in the {@link Session}.
 *
 * @since 4.0.0
 */
@Experimental
public interface Event {

    /**
     * Gets the type of the event.
     *
     * @return the type of the event, never {@code null}
     */
    @Nonnull
    EventType getType();

    /**
     * Gets the session from which this event originates.
     *

  <artifactId>aid</artifactId>
  <groupId>gid</groupId>
  <version>0.1</version>

  <build>
    <plugins>
      <plugin>
        <artifactId>maven-it-plugin</artifactId>
        <version>1.0</version>
        <dependencies>
          <dependency>
            <groupId>test</groupId>
            <artifactId>a</artifactId>
            <version>0.1</version>
          </dependency>
          <dependency>

}

// AddFreeVersion adds a free-version if needed for fi.VersionID version.
// Free-version will be added if fi.VersionID has transitioned.
func (x *xlMetaV2) AddFreeVersion(fi FileInfo) error {
	var uv uuid.UUID
	var err error
	switch fi.VersionID {
	case "", nullVersionID:
	default:
		uv, err = uuid.Parse(fi.VersionID)
		if err != nil {
			return err
		}
	}

	for i, version := range x.versions {

    public Map<String, Object> lookupMap(String role) throws ComponentLookupException {
        return container.lookupMap(role);
    }

    public Session getSession() {
        return session;
    }

    public void setSession(Session session) {
        this.session = session;
    }
    /*end[MAVEN4]*/

    /**
     * Gets the type of the event.
     *
     * @return The type of the event, never {@code null}.
     */
    Type getType();

    /**
     * Gets the session from which this event originates.
     *
     * @return The current session, never {@code null}.
     */
    MavenSession getSession();

    /**
     * Gets the current project (if any).
     *

import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.apache.maven.plugin.version.PluginVersionNotFoundException;
import org.apache.maven.plugin.version.PluginVersionResolutionException;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.artifact.InvalidDependencyVersionException;

 *
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")
class LocalSnapshotMetadataGenerator implements MetadataGenerator {

    private final Map<Object, LocalSnapshotMetadata> snapshots;

    private final Date timestamp;

    LocalSnapshotMetadataGenerator(RepositorySystemSession session, InstallRequest request) {

        try {
            SettingsBuilderResult result = builder.build(SettingsBuilderRequest.builder()
                    .session((Session) java.lang.reflect.Proxy.newProxyInstance(
                            Session.class.getClassLoader(),
                            new Class[] {Session.class},
                            (Object proxy, Method method, Object[] args) -> {

            log.error("Failed to get session key", ex);
        }
        return key;
    }


    /**
     * Calculates the effective user session key.
     *
     * @param tc
     *            context to use
     * @param chlng
     *            The server challenge.
     * @param dest
     *            The destination array in which the user session key will be
     *            placed.

    /**
     * @return whether the session is in use
     */
    boolean isInUse ();


    /**
     * @return the current session key
     * @throws CIFSException
     */
    byte[] getSessionKey () throws CIFSException;


    /**
     * 
     * @return the transport for this session
     */
    SmbTransport getTransport ();


    /**