* Maven-Resolver without involving Maven Core and related things.
     * <p>
     * This type registry is NOT used by Maven Core: Maven replaces it during Session creation with a type registry
     * that supports extending it (i.e. via Maven Extensions).
     * <p>
     * Important: this "static" list of types should be in-sync with core provided types.
     */

            }

            @Override
            public String getUserProperty(String key) {
                return context.userProperties.computeIfAbsent(
                        key, k -> request.getUserProperties().get(key));
            }

            @Override
            public Model getRawModel(Path from, String gId, String aId) {
                Model model = findRawModel(from, gId, aId);

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.versioning.OverConstrainedVersionException;

/**
 * Specific problems during resolution that we want to account for:
 * <ul>
 *   <li>missing metadata</li>
 *   <li>version range violations</li>
 *   <li>version circular dependencies</li>
 *   <li>missing artifacts</li>

    }

    private static String getId(ClassRealmConstituent constituent) {
        return getId(
                constituent.getGroupId(),
                constituent.getArtifactId(),
                constituent.getType(),
                constituent.getClassifier(),
                constituent.getVersion());
    }

    private static String getId(String gid, String aid, String type, String cls, String ver) {

        ModelSource source;
        boolean projectBuild;
        boolean processPlugins = true;
        Collection<Profile> profiles;
        List<String> activeProfileIds;
        List<String> inactiveProfileIds;
        Map<String, String> systemProperties;
        Map<String, String> userProperties;
        ModelResolver modelResolver;
        ModelRepositoryHolder modelRepositoryHolder;
        ModelCache modelCache;

import org.apache.maven.artifact.Artifact;

/**
 * Construct a version range from a specification.
 *
 */
public class VersionRange {
    private static final Map<String, VersionRange> CACHE_SPEC = Collections.synchronizedMap(new WeakHashMap<>());

    private static final Map<String, VersionRange> CACHE_VERSION = Collections.synchronizedMap(new WeakHashMap<>());

    private final ArtifactVersion recommendedVersion;

        }
    }

    @SuppressWarnings("checkstyle:parameternumber")
    public ArtifactResolutionResult collect(
            Set<Artifact> artifacts,
            Artifact originatingArtifact,
            Map<String, Artifact> managedVersions,
            ArtifactRepository localRepository,
            List<ArtifactRepository> remoteRepositories,
            ArtifactMetadataSource source,
            ArtifactFilter filter,

    pragmatic software license, and a desire to create high quality software that leads the way in its field.
    We consider ourselves not simply a group of projects sharing a server, but rather a community of developers
    and users.
  </description>
  <licenses>
    <license>
      <name>The Apache Software License, Version 2.0</name>

appendList(String start, String separator, String end, Iterable<? extends SelfDescribing> values) { return this; } @Override public Description appendText(String text) { return this; } @Override public Description appendValue(Object value) { return this; } @Override public <T> Description appendValueList(String start, String separator, String end, T... values) { return this; } @Override public <T> Description appendValueList(String start, String separator, String end, Iterable<T> values) { return this;...

    }

    private Plugin createPlugin(String groupId, String artifactId, String version) {
        Plugin plugin = new Plugin();
        plugin.setGroupId(groupId);
        plugin.setArtifactId(artifactId);
        plugin.setVersion(version);
        return plugin;
    }

    private Extension createExtension(String groupId, String artifactId, String version) {
        Extension extension = new Extension();