void addEventMonitor(EventMonitor monitor);

    void dispatchStart(String event, String target);

    void dispatchEnd(String event, String target);

    void dispatchError(String event, String target, Throwable cause);

@Experimental
public class DependencyResolverException extends MavenException {

    private static final long serialVersionUID = 1101171569179057614L;

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

 */
public class BuildFailureException extends Exception {
    public BuildFailureException(String message) {
        super(message);
    }

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

 * Signals an internal error in Maven itself, e.g. a programming bug.
 *
 */
public class InternalErrorException extends MavenExecutionException {

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

/**
 * @since 4.0.0
 */
@Experimental
@Consumer
public class TransportProviderException extends MavenException {
    public TransportProviderException(String message, Throwable cause) {
        super(message, cause);
    }

                artifact.getDependencyTrail());
    }

    protected ArtifactNotFoundException(
            String message, Artifact artifact, List<ArtifactRepository> remoteRepositories, Throwable cause) {
        this(
                message,
                artifact.getGroupId(),
                artifact.getArtifactId(),
                artifact.getVersion(),
                artifact.getType(),

        } catch (Exception e) {
            Throwable cause = e.getCause();
            if (cause instanceof ModelBuildingException) {
                String message = "In: " + pom + "\n\n";
                for (ModelProblem problem : ((ModelBuildingException) cause).getProblems()) {
                    message += problem + "\n";
                }

  <version>0.1</version>
  <packaging>jar</packaging>

  <name>Maven Integration Test :: MNG-4193</name>
  <description>
    Test that multiple artifact repository declarations with the same id cause a validation error even if the
    repositories are defined within a (non-active) profile.
  </description>

  <profiles>
    <profile>
      <id>test</id>
      <repositories>
        <repository>

    /**
     * Gets the problems that were encountered during the settings building. Note that only problems of severity
     * {@link BuilderProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the settings builder to fail with a {@link ToolchainsBuilderException}.
     *
     * @return the problems that were encountered during the settings building, can be empty but never {@code null}
     */
    @Nonnull

            // The root locator can be used very early during the setup of Maven,
            // even before the arguments from the command line are parsed.  Any exception
            // that would happen here should cause the build to fail at a later stage
            // (when actually parsing the POM) and will lead to a better exception being
            // displayed to the user, so just bail out and return false.
        }
        return false;