* Handles normalization of a model. In this context, normalization is the process of producing a canonical
 * representation for models that physically look different but are semantically equivalent.
 *
 */
public interface ModelNormalizer {

    /**
     * Merges duplicate elements like multiple declarations of the same build plugin in the specified model.
     *

 * Handles normalization of a model. In this context, normalization is the process of producing a canonical
 * representation for models that physically look different but are semantically equivalent.
 *
 */
public interface ModelNormalizer {

    /**
     * Merges duplicate elements like multiple declarations of the same build plugin in the specified model.
     *

     * @deprecated since Maven 4
     * @see DefaultModelBuilderFactory#setModelNormalizer(ModelNormalizer)
     */
    @Deprecated
    public DefaultModelBuilder setModelNormalizer(ModelNormalizer modelNormalizer) {
        return new DefaultModelBuilder(
                modelProcessor,
                modelValidator,
                modelNormalizer,
                modelInterpolator,
                modelPathTranslator,

        this.modelValidator = modelValidator;
        return this;
    }

    public DefaultModelBuilderFactory setModelNormalizer(ModelNormalizer modelNormalizer) {
        this.modelNormalizer = modelNormalizer;
        return this;
    }

    public DefaultModelBuilderFactory setModelInterpolator(ModelInterpolator modelInterpolator) {
        this.modelInterpolator = modelInterpolator;

    @Inject
    private LifecycleBindingsInjector lifecycleBindingsInjector;

    @Inject
    private ModelInterpolator modelInterpolator;

    @Inject
    private ModelNormalizer modelNormalizer;

    @Inject
    private ModelPathTranslator modelPathTranslator;

    @Inject
    private ModelProcessor modelProcessor;

    @Inject
    private ModelUrlNormalizer modelUrlNormalizer;

   with its <<<DefaultModelValidator>>> implementation
   ({{{./xref/org/apache/maven/model/validation/DefaultModelValidator.html}source}})

   ** model normalization - merge duplicates: <<<ModelNormalizer>>> ({{{./apidocs/org/apache/maven/model/normalization/ModelNormalizer.html}javadoc}}),
   with its <<<DefaultModelNormalizer>>> implementation
   ({{{./xref/org/apache/maven/model/normalization/DefaultModelNormalizer.html}source}})

    private final Logger logger = LoggerFactory.getLogger(getClass());

    private final ModelProcessor modelProcessor;
    private final ModelValidator modelValidator;
    private final ModelNormalizer modelNormalizer;
    private final ModelInterpolator modelInterpolator;
    private final ModelPathTranslator modelPathTranslator;
    private final ModelUrlNormalizer modelUrlNormalizer;

import org.apache.maven.model.merge.MavenModelMerger;

/**
 * Handles normalization of a model.
 *
 */
@Named
@Singleton
public class DefaultModelNormalizer implements ModelNormalizer {

    private DuplicateMerger merger = new DuplicateMerger();

    @Override
    public void mergeDuplicates(

import org.apache.maven.api.services.model.*;

/**
 * Handles normalization of a model.
 *
 */
@Named
@Singleton
public class DefaultModelNormalizer implements ModelNormalizer {

    private DuplicateMerger merger = new DuplicateMerger();

    @Override
    public Model mergeDuplicates(Model model, ModelBuilderRequest request, ModelProblemCollector problems) {