assertEquals(4, problems.messages.size());
        assertContains(problems.messages.get(0), "'mirrors.mirror.id' must not be 'local'");
        assertContains(problems.messages.get(1), "'mirrors.mirror.url' for local is missing");
        assertContains(problems.messages.get(2), "'mirrors.mirror.mirrorOf' for local is missing");

         * the way 2.x works. When we're in strict mode, the removal of duplicates just saves other merging steps from
         * aftereffects and bogus error messages.
         */
        List<Dependency> dependencies = model.getDependencies();
        Map<String, Dependency> normalized = new LinkedHashMap<>(dependencies.size() * 2);

        for (Dependency dependency : dependencies) {

            MojoDescriptor mojoDescriptor, ClassRealm pluginRealm, String message, Throwable e) {
        super(mojoDescriptor, message, e);

        this.pluginRealm = pluginRealm;
    }

    public PluginContainerException(
            MojoDescriptor mojoDescriptor, ClassRealm pluginRealm, String message, ComponentLookupException e) {
        super(mojoDescriptor, message, e);

        this.pluginRealm = pluginRealm;
    }

 */
@Experimental
public class LookupException extends MavenException {

    public LookupException(String message) {
        super(message);
    }

    /**
     * @param message the message to give
     * @param e the {@link Exception}
     */
    public LookupException(String message, Exception e) {
        super(message, e);
    }

    /**
     * @param e the {@link Exception}
     */

    @Override
    public void setSource(String source) {
        this.source = source;
    }

    @Override
    public void add(Problem.Severity severity, String message, int line, int column, Exception cause) {
        Problem problem = new DefaultProblem(message, severity, source, line, column, cause);

        problems.add(problem);
    }

                if (relocation.target == SENTINEL) {
                    String message = "The artifact " + original + " has been banned from resolution: "
                            + (relocation.global ? "User global ban" : "User project ban");
                    LOGGER.debug(message);
                    throw new ArtifactDescriptorException(artifactDescriptorResult, message);
                }
                Artifact result = new RelocatedArtifact(

        }
        return null;
    }

    public static class CycleDetectedException extends Exception {
        private final List<String> cycle;

        CycleDetectedException(String message, List<String> cycle) {
            super(message);
            this.cycle = cycle;
        }

        public List<String> getCycle() {
            return cycle;
        }

        @Override
        public String getMessage() {

     * By default, bold blue
     *
     * @param message the message to append
     * @return the current builder
     */
    @Nonnull
    default MessageBuilder info(Object message) {
        return style(".info:-bold,f:blue", message);
    }

    /**
     * Append message content in warning style.
     * By default, bold yellow
     *
     * @param message the message to append

        this(plugin, message, (Throwable) cause);
    }

    /**
     * Constructor.
     *
     * @deprecated Left for binary compatibility.
     */
    @Deprecated
    public PluginManagerException(Plugin plugin, String message, ComponentRepositoryException cause) {
        this(plugin, message, (Throwable) cause);
    }

    /**
     * The version of the unresolvable model.
     */
    private final String version;

    /**
     * Creates a new exception with specified detail message and cause.
     *
     * @param message The detail message, may be {@code null}.
     * @param groupId The group id of the unresolvable model, may be {@code null}.
     * @param artifactId The artifact id of the unresolvable model, may be {@code null}.