}

    public DefaultProjectBuildingRequest(ProjectBuildingRequest request) {
        this();
        setProcessPlugins(request.isProcessPlugins());
        setProfiles(request.getProfiles());
        setActiveProfileIds(request.getActiveProfileIds());
        setInactiveProfileIds(request.getInactiveProfileIds());
        setSystemProperties(request.getSystemProperties());

     *
     * @param profile
     */
    void addProfile(Profile profile);

    void setProfiles(List<Profile> profiles);

    List<Profile> getProfiles();

    /**
     * Gets the start time of the build.
     *
     * @return The start time of the build or {@code null} if unknown.
     */
    Date getBuildStartTime();

        copy.setProxies(original.getProxies());
        copy.setServers(original.getServers());
        copy.setMirrors(original.getMirrors());
        copy.setProfiles(original.getProfiles());
        copy.setPluginGroups(original.getPluginGroups());
        copy.setProjectPresent(original.isProjectPresent());
        copy.setUserSettingsFile(original.getUserSettingsFile());

     * @since 4.0.0
     */
    MavenExecutionRequest setIgnoreTransitiveRepositories(boolean ignoreTransitiveRepositories);

    // Profiles
    List<Profile> getProfiles();

    MavenExecutionRequest addProfile(Profile profile);

    MavenExecutionRequest setProfiles(List<Profile> profiles);

    /**
     * @deprecated Since Maven 4: use {@link #getProfileActivation()}.
     */
    @Deprecated

        }

        Model tmpModel = lineage.get(0);

        // inject interpolated activations
        List<Profile> interpolated = interpolateActivations(tmpModel.getProfiles(), profileActivationContext, problems);
        if (interpolated != tmpModel.getProfiles()) {
            tmpModel = tmpModel.withProfiles(interpolated);
        }

        // inject external profile into current model

                "<plugin-all-profiles-out>Outside ||${project.basedir}||</plugin-all-profiles-out>");

        // =============================================
        Profile activeProfile = originalModel.getProfiles().stream()
                .filter(profile -> profile.getId().equals("activeProfile"))
                .findFirst()
                .orElse(null);
        assertNotNull(activeProfile, "Unable to find the activeProfile");

        Model model = Model.newInstance();
        Model.Builder builder = Model.newBuilder(model);
        modelMerger.mergeModel_Profiles(builder, model, parent, false, null);
        assertEquals(0, builder.build().getProfiles().size());

        Profile modelProfile = Profile.newBuilder().id("MODEL").build();
        model = Model.newBuilder()
                .profiles(Collections.singletonList(modelProfile))
                .build();

                .flatMap(p -> p.getModel().getDelegate().getProfiles().stream())
                .map(Profile::getId);
        final Stream<String> settingsProfiles =
                session.getSettings().getProfiles().stream().map(org.apache.maven.settings.Profile::getId);
        final Stream<String> superPomProfiles = superPomModels.values().stream()
                .flatMap(p -> p.getProfiles().stream())
                .map(Profile::getId);

    /**
     * Gets the external profiles that were active during model building. External profiles are those that were
     * contributed by {@link ModelBuilderRequest#getProfiles()}.
     *
     * @return The active external profiles or an empty list if none, never {@code null}.
     */
    @Nonnull
    List<Profile> getActiveExternalProfiles();

    /**

                        mavenSystemHome != null ? mavenSystemHome.resolve("settings.xml") : null,
                        mavenUserHome.resolve("settings.xml"))
                .getEffectiveSettings();

        settings.getProfiles();

        // local repository
        String localRepository = settings.getLocalRepository() != null
                ? settings.getLocalRepository()
                : mavenUserHome.resolve("repository").toString();