import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 */
@Named
@Singleton
public class DefaultModelBuilder implements ModelBuilder {

    private static final String RAW = "raw";
    private static final String FILE = "file";
    private static final String IMPORT = "import";

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

 * under the License.
 */
package org.apache.maven.api.services;

import java.util.function.Supplier;

/**
 * Caches auxiliary data used during model building like already processed raw/effective models. The data in the cache
 * is meant for exclusive consumption by the model builder and is opaque to the cache implementation. The cache key is

    }

    static Model transform(Model model, MavenProject project) {
        String packaging = model.getPackaging();
        if (POM_PACKAGING.equals(packaging)) {
            // raw to consumer transform
            model = model.withRoot(false).withModules(null);
            if (model.getParent() != null) {
                model = model.withParent(model.getParent().withRelativePath(null));
            }

   *
   * <ul>
   *   <li>exactly of the given type, including generic type parameters, such as {@code
   *       ImmutableList<String>};
   *   <li>of the raw type;
   *   <li>null if no value can be generated.
   * </ul>
   */
  final @Nullable Object generateFresh(TypeToken<?> type) {
    Object generated = generate(type);
    if (generated != null) {

    return new ParameterizedTypeImpl(
        ClassOwnership.JVM_BEHAVIOR.getOwnerType(rawType), rawType, arguments);
  }

  /** Decides what owner type to use for constructing {@link ParameterizedType} from a raw class. */
  private enum ClassOwnership {
    OWNED_BY_ENCLOSING_CLASS {
      @Override
      @CheckForNull
      Class<?> getOwnerType(Class<?> rawType) {
        return rawType.getEnclosingClass();
      }

   *
   * <ul>
   *   <li>exactly of the given type, including generic type parameters, such as {@code
   *       ImmutableList<String>};
   *   <li>of the raw type;
   *   <li>null if no value can be generated.
   * </ul>
   */
  final @Nullable Object generateFresh(TypeToken<?> type) {
    Object generated = generate(type);
    if (generated != null) {

      boolean sameComparator,
      Iterable<? extends Entry<? extends K, ? extends V>> entries) {
    // "adding" type params to an array of a raw type should be safe as
    // long as no one can ever cast that same array instance back to a
    // raw type.
    @SuppressWarnings("unchecked")
    Entry<K, V>[] entryArray = (Entry[]) Iterables.toArray(entries, EMPTY_ENTRY_ARRAY);

        }

        private List<ProjectBuildingResult> build(
                Map<File, MavenProject> projectIndex, List<InterimResult> interimResults) {
            // The transformation may need to access dependencies raw models,
            // which may cause some re-entrance in the build() method and can
            // actually cause deadlocks.  In order to workaround the problem,
            // we do a first pass by reading all rawModels in order.

        // [MNG-6074] Maven should produce an error if no model version has been set in a POM file used to build an
        // effective model.
        //
        // As of 3.4, the model version is mandatory even in raw models. The XML element still is optional in the
        // XML schema and this will not change anytime soon. We do not want to build effective models based on
        // models without a version starting with 3.4.