MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

        XmlNode executionConfiguration = mojoExecution.getConfiguration() != null
                ? mojoExecution.getConfiguration().getDom()
                : null;
        if (executionConfiguration == null) {
            executionConfiguration = XmlNode.newInstance("configuration");
        }

    public void normalize(Model model, ModelBuildingRequest request) {
        if (model == null) {
            return;
        }

        model.setUrl(normalize(model.getUrl()));

        Scm scm = model.getScm();
        if (scm != null) {
            scm.setUrl(normalize(scm.getUrl()));
            scm.setConnection(normalize(scm.getConnection()));
            scm.setDeveloperConnection(normalize(scm.getDeveloperConnection()));

            if (!requiredSelectors.isEmpty()) {
                throw new MavenExecutionException(
                        "The requested required projects " + requiredSelectors + " do not exist.", request.getPom());
            } else {
                String optionalSelectors = unresolvedSelectors.stream()
                        .map(ProjectActivation.ProjectActivationSettings::selector)

    }

    @Override
    public List<MavenProject> collectProjects(MavenExecutionRequest request) throws ProjectBuildingException {
        List<File> files = Collections.singletonList(request.getPom().getAbsoluteFile());
        return projectsSelector.selectProjects(files, request);
    }

	req2.Header.Set("User-Agent", u.ua)
	return u.rt.RoundTrip(req2)
}

// WithUserAgent wraps an existing transport with custom User-Agent
func WithUserAgent(rt http.RoundTripper, getUA func() string) http.RoundTripper {
	return &uaTransport{
		ua: getUA(),
		rt: rt,
	}

        } else {
            this.pluginGroups = Collections.emptyList();
        }

        return this;
    }

    @Override
    public Model getPom() {
        return pom;
    }

    @Override
    public DefaultPluginPrefixRequest setPom(Model pom) {
        this.pom = pom;

        return this;
    }

    @Override

    }

    @Override
    public DefaultPluginVersionRequest setArtifactId(String artifactId) {
        this.artifactId = artifactId;

        return this;
    }

    @Override
    public Model getPom() {
        return pom;
    }

    @Override
    public DefaultPluginVersionRequest setPom(Model pom) {
        this.pom = pom;

        return this;
    }

    @Override

        // Value taken from p1
        // ----------------------------------------------------------------------

        assertEquals("scm-url/p2/p3/p4", p4.getScm().getUrl());

        // ----------------------------------------------------------------------
        // Value taken from p4
        // ----------------------------------------------------------------------

    public String getGoal() {
        return delegate.getGoal();
    }

    @Override
    public Optional<XmlNode> getConfiguration() {
        return Optional.of(delegate.getConfiguration()).map(Xpp3Dom::getDom);
    }

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

                        model)
                .mailingLists(null)
                .issueManagement(null)
                .scm(
                        model.getScm() != null
                                ? Scm.newBuilder(model.getScm(), true)
                                        .childScmConnectionInheritAppendPath(null)
                                        .childScmUrlInheritAppendPath(null)