void testValidateUniqueProfileId() throws Exception {
        Settings settings = new Settings();
        Profile profile1 = new Profile();
        profile1.setId("test");
        settings.addProfile(profile1);
        Profile profile2 = new Profile();
        profile2.setId("test");
        settings.addProfile(profile2);

        SimpleProblemCollector problems = new SimpleProblemCollector();

        public ModelBuilderRequestBuilder source(ModelSource source) {
            this.source = source;
            return this;
        }

        public ModelBuilderRequestBuilder profiles(List<Profile> profiles) {
            this.profiles = profiles;
            return this;
        }

        public ModelBuilderRequestBuilder activeProfileIds(List<String> activeProfileIds) {
            this.activeProfileIds = activeProfileIds;

            assertTrue(
                    location.getSource().getLocation().contains("pom-with-profiles/pom.xml"),
                    "Profile location should contain 'pom-with-profiles/pom.xml', but was: "
                            + location.getSource().getLocation() + " for profile: " + profile.getId());

    @Override
    public Map<String, Profile> getProfilesById() {
        return profilesById;
    }

    /* (non-Javadoc)
     * @see org.apache.maven.profiles.ProfileManager#addProfile(org.apache.maven.model.Profile)
     */
    @Override
    public void addProfile(Profile profile) {
        String profileId = profile.getId();

        Profile existing = profilesById.get(profileId);
        if (existing != null) {

    /**
     * Gets the external profiles that should be considered for model building.
     *
     * @return The external profiles that should be considered for model building, never {@code null}.
     */
    List<Profile> getProfiles();

    /**
     * Sets the external profiles that should be considered for model building.
     *

	type Profile struct {
		gorm.Model
		Refer string
		Name  string
	}

	type User struct {
		gorm.Model
		Profile   Profile `gorm:"ForeignKey:ProfileID;References:Refer"`
		ProfileID int
	}

	checkStructRelation(t, &User{}, Relation{
		Name: "Profile", Type: schema.BelongsTo, Schema: "User", FieldSchema: "Profile",
		References: []Reference{{"Refer", "Profile", "ProfileID", "User", "", false}},
	})
}

                // Profile dependencies
                root.child(PROFILES).stream()
                        .flatMap(profiles -> profiles.children(PROFILE))
                        .flatMap(profile -> Stream.of(
                                        new DependencyContainer(
                                                profile.child(DEPENDENCIES).orElse(null), "profile dependencies"),

        }

        // Process profile dependencies
        boolean profileDependencyChanges = root.child(PROFILES).stream()
                .flatMap(profiles -> profiles.children(PROFILE))
                .map(profile -> profile.child(DEPENDENCIES)
                        .map(deps ->
                                removeDependencyInferenceFromSection(context, deps, pomMap, "profile dependencies"))

            } else {
                List<File> pomFiles = collisions.get(projectId);

                if (pomFiles == null) {
                    pomFiles = new ArrayList<>(Arrays.asList(collision.getFile(), project.getFile()));
                    collisions.put(projectId, pomFiles);
                } else {
                    pomFiles.add(project.getFile());
                }
            }
        }

    @Nonnull
    List<Profile> getActivePomProfiles(String modelId);

    /**
     * Gets a map of all active POM profiles organized by model ID.
     * The map keys are model IDs (groupId:artifactId:version) and values are lists of active profiles for each model.
     *
     * @return A map of model IDs to their active profiles, never {@code null}.
     * @since 4.0.0
     */
    @Nonnull