private static String createMessage(Plugin plugin, String descriptorLocation, Throwable e) {
        String message = "Failed to parse plugin descriptor";

        if (plugin != null) {
            message += " for " + plugin.getId();
        }

        if (descriptorLocation != null) {
            message += " (" + descriptorLocation + ")";
        }

        if (e != null) {
            message += ": " + e.getMessage();
        }

            hash = hash * 31 + Objects.hashCode(dependencyFilter);
            this.hashCode = hash;
        }

        @Override
        public String toString() {
            return plugin.getId();
        }

        @Override
        public int hashCode() {
            return hashCode;
        }

        @Override
        public boolean equals(Object o) {
            if (o == this) {

                    if (phaseBindings != null) {
                        for (String goal : execution.getGoals()) {
                            MojoExecution mojoExecution = new MojoExecution(plugin, goal, execution.getId());
                            mojoExecution.setLifecyclePhase(phase);
                            PhaseId phaseId = PhaseId.of(phase);
                            if (phaseId.priority() == 0) {

        String message;

        if (mojoExecution != null) {
            message = "Execution " + mojoExecution.getExecutionId() + " of goal "
                    + mojoExecution.getMojoDescriptor().getId() + " failed";
        } else {
            message = "Mojo execution failed";
        }

        if (cause != null && cause.getMessage() != null && !cause.getMessage().isEmpty()) {

            td = document.createElement("td");
            tr.appendChild(td);
            Element link = document.createElement("link");
            td.appendChild(link);
            link.setAttribute("linkend", blockDoc.getId());
            Element literal = document.createElement("literal");
            link.appendChild(literal);
            literal.appendChild(document.createTextNode(blockDoc.getName()));

            td = document.createElement("td");
            tr.appendChild(td);
            Element link = document.createElement("link");
            td.appendChild(link);
            link.setAttribute("linkend", propDoc.getId());
            Element literal = document.createElement("literal");
            link.appendChild(literal);
            literal.appendChild(document.createTextNode(propDoc.getName()));

        try {
            Element chapter = parent.getOwnerDocument().createElement("chapter");
            parent.appendChild(chapter);
            chapter.setAttribute("id", classDoc.getId());
            descriptionRenderer.renderTo(classDoc, chapter);
            merge(classDoc, chapter);
        } finally {
            listener.finish();
        }
    }

        if (!model.getMixins().isEmpty() && !flattenEnabled && !model.isPreserveModelVersion()) {
            throw new MavenException("The consumer POM for "
                    + project.getId()
                    + " cannot be created because the POM contains mixins. "
                    + "Mixins are not supported in the default consumer POM format. "

    }

    private boolean isLocalRepository(ArtifactRepository repository) {
        // unfortunately, the API doesn't allow to tell a remote repo and the local repo apart...
        return "local".equals(repository.getId());
    }

    classpathRuntime(5),
    versionedGraph(6),
    scopedGraph(7);

    private int id;

    // Constructor
    MetadataResolutionRequestTypeEnum(int id) {
        this.id = id;
    }

    int getId() {
        return id;
    }