/**
     * Shortcut for {@code getService(RepositoryFactory.class).createRemote(...)}.
     *
     * @param  id identifier of the remote repository to create
     * @param  url location of the remote repository
     * @return remote repository that can be used to download or upload artifacts
     *
     * @see org.apache.maven.api.services.RepositoryFactory#createRemote(String, String)
     */
    @Nonnull

            // of the form:
            //
            // mvn remote-resources:process
            //
            // From the metadata stored on the server which has been created as part of a standard
            // Maven plugin deployment we will find the right PluginDescriptor from the remote
            // repository.

            plugin = findPluginForPrefix(prefix, session);
        }

     */
    PluginPrefixRequest setPom(Model pom);

    /**
     * Gets the remote repositories to use.
     *
     * @return The remote repositories to use, never {@code null}.
     */
    List<RemoteRepository> getRepositories();

    /**
     * Sets the remote repositories to use. Note: When creating a request from a project, be sure to use the

    private final Map<String, MavenProject> projects;

    /**
     * Creates a new project dependency graph based on the specified projects.
     *
     * @param projects The projects to create the dependency graph with
     * @throws DuplicateProjectException
     * @throws CycleDetectedException
     */
    public DefaultProjectDependencyGraph(Collection<MavenProject> projects)

public interface TransportProvider extends Service {
    /**
     * Provides new {@link Transport} instance for given {@link RemoteRepository}, if possible.
     *
     * @throws TransportProviderException if passed in remote repository has invalid remote URL or unsupported protocol.
     */
    @Nonnull
    Transport transport(@Nonnull Session session, @Nonnull RemoteRepository repository);

            throws ProjectBuildingException;

    // TODO remote-resources-plugin
    MavenProject buildFromRepository(
            Artifact artifact, List<ArtifactRepository> remoteRepositories, ArtifactRepository localRepository)
            throws ProjectBuildingException;

    // TODO remote-resources-plugin
    MavenProject buildFromRepository(
            Artifact artifact,

    @Nullable
    <T> T computeIfAbsent(@Nonnull Key<T> key, @Nonnull Supplier<T> supplier);

    /**
     * Create a key using the given class as an identifier and as the type of the object.
     */
    static <T> Key<T> key(Class<T> clazz) {
        return new Key<>(clazz, clazz);
    }

    /**
     * Create a key using the given class and id.
     */
    static <T> Key<T> key(Class<T> clazz, Object id) {

        final File repoDir = new File(getBasedir(), "src/test/remote-repo").getAbsoluteFile();
        final RemoteRepository remoteRepository = new RemoteRepository.Builder(
                        MavenRepositorySystem.DEFAULT_REMOTE_REPO_ID,
                        "default",
                        repoDir.toURI().toASCIIString())
                .build();

@Experimental
public interface TypeRegistry extends ExtensibleEnumRegistry<Type> {

    /**
     * Obtain the {@link Type} from the specified {@code id}.
     * If no type is known for {@code id}, the registry will
     * create a custom {@code Type} for it.
     *
     * @param id the id of the type to retrieve
     * @return the type
     */
    @Nonnull
    @Override
    default Type require(@Nonnull String id) {

import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.repository.legacy.metadata.MetadataResolutionRequest;

/**
 * Provides some metadata operations, like querying the remote repository for a list of versions available for an
 * artifact - deprecated
 */
@Deprecated
public interface ArtifactMetadataSource extends org.apache.maven.repository.legacy.metadata.ArtifactMetadataSource {