void addMetadata(ArtifactMetadata metadata);

    Collection<ArtifactMetadata> getMetadataList();

    void setRepository(ArtifactRepository remoteRepository);

    ArtifactRepository getRepository();

    void updateVersion(String version, ArtifactRepository localRepository);

    String getDownloadUrl();

    void setDownloadUrl(String downloadUrl);

    ArtifactFilter getDependencyFilter();

 * under the License.
 */
package org.apache.maven.artifact.versioning;

import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;

/**
 * Occurs when ranges exclude each other and no valid value remains.
 *
 */

     *            {@code null}.
     * @return The effective artifact repositories, never {@code null}.
     * @throws InvalidRepositoryException
     */
    List<ArtifactRepository> createArtifactRepositories(
            List<Repository> pomRepositories,
            List<ArtifactRepository> externalRepositories,
            ProjectBuildingRequest request)
            throws InvalidRepositoryException;

    /**

public class DefaultArtifactRepository extends Repository implements ArtifactRepository {
    private ArtifactRepositoryLayout layout;

    private ArtifactRepositoryPolicy snapshots;

    private ArtifactRepositoryPolicy releases;

    private boolean blacklisted;

    private Authentication authentication;

    private Proxy proxy;

    private List<ArtifactRepository> mirroredRepositories = Collections.emptyList();

        }

        return new File(resourceUrl.toURI());
    }

    protected ArtifactRepository getLocalRepository() throws Exception {
        ArtifactRepositoryLayout repoLayout = getContainer().lookup(ArtifactRepositoryLayout.class);

        ArtifactRepository r = repositorySystem.createArtifactRepository(

        if (repositories != null && selector != null) {
            for (ArtifactRepository repository : repositories) {
                repository.setProxy(getProxy(selector, repository));
            }
        }
    }

    private org.apache.maven.repository.Proxy getProxy(ProxySelector selector, ArtifactRepository repository) {
        if (selector != null) {

 * under the License.
 */
package org.apache.maven.artifact.installer;

import java.io.File;

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

/**
 */
@Deprecated
public interface ArtifactInstaller {
    String ROLE = ArtifactInstaller.class.getName();

    /**

            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories) {
        throw new UnsupportedOperationException("Cannot retrieve metadata in this test case");
    }

    @Override
    public List<ArtifactVersion> retrieveAvailableVersions(
            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories) {

     * @return This request, never {@code null}.
     */
    MavenExecutionRequest setRemoteRepositories(List<ArtifactRepository> repositories);

    List<ArtifactRepository> getRemoteRepositories();

    MavenExecutionRequest setPluginArtifactRepositories(List<ArtifactRepository> repositories);

    List<ArtifactRepository> getPluginArtifactRepositories();

    MavenExecutionRequest setRepositoryCache(RepositoryCache repositoryCache);

 */
package org.apache.maven.artifact.repository.layout;

import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;

/**
 * ArtifactRepositoryLayout2
 */
public interface ArtifactRepositoryLayout2 extends ArtifactRepositoryLayout {

    ArtifactRepository newMavenArtifactRepository(