}

    @Test
    void getRequiredProjectsBySelectorsReturnsProjectWithChildProjects() throws MavenExecutionException {
        when(mavenExecutionRequest.isRecursive()).thenReturn(true);

        final HashSet<String> selectors = new HashSet<>();
        selectors.add(":maven-core");

        final MavenProject mavenProject = createMavenProject("maven-core");

        boolean hasProjectSelection = !request.getProjectActivation().isEmpty();
        boolean isRecursive = hasProjectSelection || request.isRecursive();
        List<ProjectBuildingResult> results = projectBuilder.build(files, isRecursive, projectBuildingRequest);

        List<MavenProject> projects = new ArrayList<>(results.size());

        long totalProblemsCount = 0;

         */
        REQUEST_DOMINANT,
    }

    @Nonnull
    ModelSource getSource();

    @Nonnull
    RequestType getRequestType();

    boolean isLocationTracking();

    boolean isRecursive();

    /**
     * Defines external profiles that may be activated for the given model.
     * Those are external profiles usually defined in {@link org.apache.maven.api.settings.Settings#getProfiles()}.
     */

     * When true, the builder will process parent POMs and child modules as needed.
     *
     * @return true if the build should be recursive, false otherwise
     */
    boolean isRecursive();

    /**
     * Determines whether plugins should be processed during project building.
     * When true, the builder will process plugin information which may include

    }

    private List<MavenProject> getChildProjects(MavenProject parent, MavenExecutionRequest request) {
        final List<MavenProject> children = parent.getCollectedProjects();
        if (children != null && request.isRecursive()) {
            return children;
        } else {
            return new ArrayList<>();
        }
    }

    private Optional<MavenProject> findOptionalProjectBySelector(

        copy.setBaseDirectory((original.getBaseDirectory() != null) ? new File(original.getBaseDirectory()) : null);
        copy.setGoals(original.getGoals());
        copy.setRecursive(original.isRecursive());
        copy.setPom(original.getPom());
        copy.setSystemProperties(original.getSystemProperties());
        copy.setUserProperties(original.getUserProperties());

     */
    int getDegreeOfConcurrency();

    // Recursive (really to just process the top-level POM)
    MavenExecutionRequest setRecursive(boolean recursive);

    boolean isRecursive();

    MavenExecutionRequest setPom(File pom);

    File getPom();

    // Errors
    MavenExecutionRequest setShowErrors(boolean showErrors);

    boolean isShowErrors();

        when(mavenExecutionRequest.getMakeBehavior()).thenReturn(parameterMakeBehavior);
        when(mavenExecutionRequest.getPom()).thenReturn(parameterRequestedPom);
        when(mavenExecutionRequest.isRecursive()).thenReturn(parameterRecursive);
        if (parameterResumeFrom != null && !parameterResumeFrom.isEmpty()) {
            when(mavenExecutionRequest.getResumeFrom()).thenReturn(":" + parameterResumeFrom);
        }

        request.setReactorFailureBehavior(determineReactorFailureBehaviour(context));
        request.setRecursive(!context.options().nonRecursive().orElse(!request.isRecursive()));
        request.setOffline(context.options().offline().orElse(request.isOffline()));
        request.setUpdateSnapshots(context.options().updateSnapshots().orElse(false));