enum RequestType {
        COLLECT,
        FLATTEN,
        RESOLVE
    }

    @Nonnull
    RequestType getRequestType();

    @Nonnull
    Optional<Project> getProject();

    @Nonnull
    Optional<Artifact> getRootArtifact();

    @Nonnull
    Optional<DependencyCoordinates> getRoot();

    @Nonnull
    Collection<DependencyCoordinates> getDependencies();

        MavenSession session =
                new MavenSession(container, repositorySession, request, new DefaultMavenExecutionResult());
        session.setProjects(Collections.emptyList());
        return session;
    }

    @Test
    public void testTwoExpressions() throws Exception {
        MavenProject project = createDefaultProject();

        for (ProjectSegment projectBuild : projectBuildList) {
            MavenExecutionPlan plan = calculateExecutionPlan(
                    projectBuild.getSession(),
                    projectBuild.getProject(),
                    projectBuild.getTaskSegment().getTasks());
            result += plan.size();
        }
        return result;
    }

                            mojoExecution.getMojoDescriptor().getFullGoalName())));
            InternalMavenSession sessionV4 = InternalMavenSession.from(session.getSession());
            scope.seed(Project.class, sessionV4.getProject(project));
            scope.seed(org.apache.maven.api.MojoExecution.class, new DefaultMojoExecution(sessionV4, mojoExecution));

            if (mojoDescriptor.isV4Api()) {

                logSummary(context, summary, references, "");

                if (exception instanceof LifecycleExecutionException lifecycleExecutionException) {
                    failedProjects.add(lifecycleExecutionException.getProject());
                }
            }

            context.logger.error("");

            if (!context.options().showErrors().orElse(false)) {

            throws PluginContainerException, PluginConfigurationException {
        T mojo;

        InternalMavenSession sessionV4 = InternalMavenSession.from(session.getSession());
        Project project = sessionV4.getProject(session.getCurrentProject());

        org.apache.maven.api.MojoExecution execution = new DefaultMojoExecution(sessionV4, mojoExecution);
        org.apache.maven.api.plugin.Log log = new DefaultLog(

                if (exception instanceof LifecycleExecutionException lifecycleExecutionException) {
                    failedProjects.add(lifecycleExecutionException.getProject());
                }
            }

            slf4jLogger.error("");

            if (!cliRequest.showErrors) {
                slf4jLogger.error(

            root = root.getParent();
        }
        mSession.getMavenSession().getRequest().setRootDirectory(root);

        return new PomTestWrapper(pomFile, projectBuilder.build(pomFile, config).getProject());
    }

    protected void assertModelEquals(PomTestWrapper pom, Object expected, String expression) {
        assertEquals(expected, pom.getValue(expression));
    }