* fields, they will cause similar problems, and we may want to switch
       * this check to isAccessible().
       */
      if (!field.isSynthetic() && field.getType() == String.class) {
        builder.add(field);
      }
    }
    return builder.build();
  }

  private static final Splitter SPLITTER = Splitter.on('_');
  private static final Joiner JOINER = Joiner.on('-');

            }

            @Override
            public Locale getLocale() {
                return null;
            }

            @Override
            public SearchRequestType getType() {
                return null;
            }

            @Override
            public String getSimilarDocHash() {
                return null;
            }

            @Override

        this.packaging = packaging;
        this.includesDependencies = includesDependencies;
        this.language = language;
        this.addedToClasspath = addedToClasspath;
    }

    public String getType() {
        return type;
    }

    @Override
    public String getExtension() {
        if (extension == null) {
            return type;
        }
        return extension;
    }

     */
    String getArtifactId();

    /**
     * Gets the type of the constituent's artifact.
     *
     * @return The type, never {@code null}.
     */
    String getType();

    /**
     * Gets the classifier of the constituent's artifact.
     *
     * @return The classifier or an empty string, never {@code null}.
     */
    String getClassifier();

    /**

    String getId();

    /**
     * Gets the type of the repository, for example "default".
     *
     * @return the (case-sensitive) type of the repository, never {@code null}
     */
    @Nonnull
    String getType();

        return baseMessage;
    }

    public String getArtifactId() {
        return artifactId;
    }

    public String getGroupId() {
        return groupId;
    }

    public String getType() {
        return type;
    }

    public String getVersion() {
        return version;
    }

    public String getArtifactKey() {
        return groupId + ":" + artifactId + ":" + version + ":" + type;

 * @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.
     *
     * @return the current session, never {@code null}
     */
    @Nonnull
    Session getSession();

    /**

    }

    @Override
    public void onEvent(Object event) {
        if (event instanceof ExecutionEvent) {
            ExecutionEvent executionEvent = (ExecutionEvent) event;
            if (executionEvent.getType() == ExecutionEvent.Type.SessionEnded) {
                allHandlers.clear();
            }
        }
    }

    public ArtifactHandler getArtifactHandler(String type) {
        requireNonNull(type, "null type");

            ParameterMetaData param = parameters.get(i);
            if (i > 0) {
                title.appendChild(document.createTextNode(", "));
            }
            title.appendChild(linkRenderer.link(param.getType(), listener));
            title.appendChild(document.createTextNode(" " + param.getName()));
        }
        title.appendChild(document.createTextNode(")"));

        Artifact dependencyArtifact = factory.createDependencyArtifact(
                dependency.getGroupId(),
                dependency.getArtifactId(),
                versionRange,
                dependency.getType(),
                dependency.getClassifier(),
                effectiveScope,
                dependency.isOptional());

        if (inheritedFilter != null && !inheritedFilter.include(dependencyArtifact)) {