/**
     * Gets the identifiers of all profiles that contributed to this project's effective model. This includes active
     * profiles from the project's POM and all its parent POMs as well as from external sources like the
     * {@code settings.xml}. The profile identifiers are grouped by the identifier of their source, e.g.
     * {@code <groupId>:<artifactId>:<version>} for a POM profile or {@code external} for profiles from the

     */
    @Nonnull
    Optional<Boolean> updateSnapshots();

    /**
     * Returns the list of profiles to activate.
     *
     * @return an {@link Optional} containing the list of profile names to activate, or empty if not specified
     */
    @Nonnull
    Optional<List<String>> activatedProfiles();

    /**

    void testPrefixNegated() throws Exception {
        Profile profile = newProfile("!1.4");

        assertActivation(false, profile, newContext(null, newProperties("1.4")));
        assertActivation(false, profile, newContext(null, newProperties("1.4.2")));
        assertActivation(false, profile, newContext(null, newProperties("1.4.2_09")));
        assertActivation(false, profile, newContext(null, newProperties("1.4.2_09-b03")));

 * under the License.
 */
package org.apache.maven.model.profile.activation;

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

/**
 * Determines whether a profile should be activated.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */

    @Override
    public boolean isActive(
            org.apache.maven.model.Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        return getActivationPackaging(profile).map(p -> isPackaging(context, p)).orElse(false);
    }

    @Override
    public boolean presentInConfig(
            org.apache.maven.model.Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {

 */
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;

        this.profileActivationFilePathInterpolator = profileActivationFilePathInterpolator;
        return this;
    }

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

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

        ActivationFile file = activation.getFile();

 * under the License.
 */
package org.apache.maven.model.profile.activation;

import java.util.Properties;

import org.apache.maven.api.model.Profile;
import org.apache.maven.model.building.SimpleProblemCollector;
import org.apache.maven.model.profile.DefaultProfileActivationContext;
import org.apache.maven.model.profile.ProfileActivationContext;
import org.junit.jupiter.api.AfterEach;

    @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<>();