/**
     * Merges values from the specified profile into the given model. Implementations are expected to keep the profile
     * and model completely decoupled by injecting deep copies rather than the original objects from the profile.
     *
     * @param model The model into which to merge the values defined by the profile, must not be <code>null</code>.
     * @param profile The (read-only) profile whose values should be injected, may be <code>null</code>.

        }

        @Override
        public List<Profile> getActivePomProfiles() {
            return List.of();
        }

        @Override
        public List<Profile> getActivePomProfiles(String modelId) {
            return List.of();
        }

        @Override
        public java.util.Map<String, List<Profile>> getActivePomProfilesByModel() {
            return java.util.Map.of();

@Named("property")
@Singleton
@Deprecated(since = "4.0.0")
public class PropertyProfileActivator implements ProfileActivator {

    @Override
    public boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        Activation activation = profile.getActivation();

        if (activation == null) {
            return false;
        }

        ActivationProperty property = activation.getProperty();

    @Test
    void testIsActiveExistsLeavesFileUnchanged() {
        Profile profile = newExistsProfile("file.txt");
        assertEquals("file.txt", profile.getActivation().getFile().getExists());

        assertActivation(true, profile, context);

        assertEquals("file.txt", profile.getActivation().getFile().getExists());
    }

    private Profile newExistsProfile(String filePath) {
        ActivationFile activationFile =

 */
package org.apache.maven.model.profile.activation;

import javax.inject.Named;
import javax.inject.Singleton;

import java.util.Locale;

import org.apache.maven.model.Activation;
import org.apache.maven.model.ActivationOS;
import org.apache.maven.model.Profile;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.profile.ProfileActivationContext;

            <option value="$PROJECT_DIR$/platforms/core-runtime/build-process-services" />
            <option value="$PROJECT_DIR$/platforms/core-runtime/build-profile" />
            <option value="$PROJECT_DIR$/platforms/core-runtime/build-state" />
            <option value="$PROJECT_DIR$/platforms/core-runtime/classloaders" />

        }

        private void visit(Profile profile) {
            if (profile != null) {
                String org, val;
                // ModelBase
                visit((ModelBase) profile);
                // Id
                org = profile.getId();
                val = interpolate(org);
                if (org != val) {
                    profile.setId(val);
                }

    @Override
    public void injectProfile(
            Model model, Profile profile, ModelBuildingRequest request, ModelProblemCollector problems) {
        if (profile != null) {
            merger.mergeModelBase(model, profile);

            if (profile.getBuild() != null) {
                if (model.getBuild() == null) {
                    model.setBuild(new Build());

    private Model effectiveModel;

    private List<String> modelIds;

    private Map<String, Model> rawModels;

    private Map<String, List<Profile>> activePomProfiles;

    private List<Profile> activeExternalProfiles;

    private List<ModelProblem> problems;

    DefaultModelBuildingResult() {
        modelIds = new ArrayList<>();
        rawModels = new HashMap<>();

					Tables: []clause.Table{{Name: "users"}},
					Joins: []clause.Join{
						{
							Type:  clause.RightJoin,
							Table: clause.Table{Name: "profiles"},
							ON: clause.Where{
								[]clause.Expression{clause.Eq{clause.Column{Table: "profiles", Name: "email"}, clause.Column{Table: clause.CurrentTable, Name: "email"}}},
							},
						},
					},
				}, clause.From{
					Joins: []clause.Join{
						{