class SettingsUtilsTest {

    @Test
    void testShouldAppendRecessivePluginGroupIds() {
        Settings dominant = Settings.newBuilder()
                .pluginGroups(Arrays.asList("org.apache.maven.plugins", "org.codehaus.modello"))
                .build();

        Settings recessive = Settings.newBuilder()
                .pluginGroups(Arrays.asList("org.codehaus.plexus"))
                .build();

     *
     * @param model The model whose duplicate elements should be merged, must not be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */

     *
     * @param modelId The identifier of the desired raw model, must not be {@code null}.
     * @return The raw model or {@code null} if the specified model id does not refer to a known model.
     */
    @Nonnull
    Optional<Model> getRawModel(@Nonnull String modelId);

    /**
     * Gets the profiles from the specified model that were active during model building. The model identifier should be

     */
    private static final Map<String, Model> SUPER_MODELS = new ConcurrentHashMap<>();

    @Inject
    public DefaultSuperPomProvider(ModelProcessor modelProcessor) {
        this.modelProcessor = modelProcessor;
    }

    @Override
    public Model getSuperPom(String version) {
        return SUPER_MODELS.computeIfAbsent(Objects.requireNonNull(version), v -> readModel(version, v));
    }

import org.apache.maven.lifecycle.mapping.LifecycleMojo;
import org.apache.maven.lifecycle.mapping.LifecyclePhase;
import org.apache.maven.model.InputLocation;
import org.apache.maven.model.InputSource;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginExecution;
import org.codehaus.plexus.util.xml.Xpp3Dom;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

        this.problems.addAll(result.getProblems());

        for (String modelId : result.getModelIds()) {
            this.modelIds.add(modelId);
            this.rawModels.put(modelId, result.getRawModel(modelId).orElseThrow());
            this.activePomProfiles.put(modelId, result.getActivePomProfiles(modelId));
        }
    }

    @Override
    public Model getFileModel() {
        return fileModel;
    }

        public XmlReaderRequestBuilder strict(boolean strict) {
            this.strict = strict;
            return this;
        }

        public XmlReaderRequestBuilder modelId(String modelId) {
            this.modelId = modelId;
            return this;
        }

        public XmlReaderRequestBuilder location(String location) {
            this.location = location;
            return this;
        }

        return style(style).a(message).resetStyle();
    }

    MessageBuilder style(String style);

    MessageBuilder resetStyle();

    //
    // message building methods modelled after Ansi methods
    //

    @Nonnull
    @Override
    MessageBuilder append(CharSequence cs);

    @Nonnull
    @Override
    MessageBuilder append(CharSequence cs, int start, int end);

 * under the License.
 */
package org.apache.maven.internal.impl.model;

import java.util.Collection;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;

import org.apache.maven.api.model.InputLocation;
import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.BuilderProblem;
import org.apache.maven.api.services.ModelBuilderException;

    public InputSource(String modelId, String location) {
        this.modelId = modelId;
        this.location = location;
        this.inputs = null;
    }

    public InputSource(Collection<InputSource> inputs) {
        this.modelId = null;
        this.location = null;
        this.inputs = ImmutableCollections.copy(inputs);
    }

    /**
     * Get the path/URL of the POM or {@code null} if unknown.
     *