* identifier are added, only the first repository being added will be used.
     *
     * @param repository The repository to add to the internal search chain, must not be {@code null}.
     * @throws InvalidRepositoryException If the repository could not be added (e.g. due to invalid URL or layout).
     */
    void addRepository(Repository repository) throws InvalidRepositoryException;

    /**

<project>
  <groupId>snapshot-test</groupId>
  <artifactId>maven-test-snapshot-resolving</artifactId>
  <packaging>jar</packaging>
  <repositories>
    <repository>
      <id>central</id>
      <name>Fake Maven Central Repository</name>
      <url>file://dummy</url>
    </repository>
  </repositories>
  <dependencies>
    <dependency>
      <groupId>snapshot-test</groupId>
      <artifactId>maven-snapshot-a</artifactId>

    }

    public static RemoteRepository toRemoteRepository(Repository repository) {
        RemoteRepository.Builder builder =
                new RemoteRepository.Builder(repository.getId(), repository.getLayout(), repository.getUrl());
        builder.setSnapshotPolicy(toRepositoryPolicy(repository.getSnapshots()));
        builder.setReleasePolicy(toRepositoryPolicy(repository.getReleases()));
        return builder.build();
    }

   |
   | It works like this: a POM may declare a repository to use in resolving certain artifacts.
   | However, this repository may have problems with heavy traffic at times, so people have mirrored
   | it to several places.
   |
   | That repository definition will have a unique id, so we can create a mirror reference for that
   | repository, to be used as an alternate download site. The mirror site will be the preferred

    Object getKey();

    /**
     * Get the filename of this metadata on the local repository.
     *
     * @param repository the remote repository it came from
     * @return the filename
     */
    String getLocalFilename(ArtifactRepository repository);

    /**
     * Get the filename of this metadata on the remote repository.
     *
     * @return the filename
     */
    String getRemoteFilename();

    /**

     * @param localRepository    local repository
     * @param remoteRepository   remote repository
     * @return {@link List} $lt; {@link ArtifactVersion} >
     * @throws ArtifactMetadataRetrievalException
     *          in case of error while retrieving repository metadata from the repository.
     */
    List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository(

        Profile profile = new Profile();
        profile.setId("pro");
        settings.addProfile(profile);
        Repository repo1 = new Repository();
        repo1.setUrl("http://apache.org/");
        repo1.setId("test");
        profile.addRepository(repo1);
        Repository repo2 = new Repository();
        repo2.setUrl("http://apache.org/");
        repo2.setId("test");
        profile.addRepository(repo2);

import org.apache.maven.wagon.events.TransferListener;
import org.apache.maven.wagon.repository.Repository;

/**
 * WagonManager
 */
@Deprecated
public interface WagonManager {
    @Deprecated
    Wagon getWagon(String protocol) throws UnsupportedProtocolException;

    @Deprecated
    Wagon getWagon(Repository repository) throws UnsupportedProtocolException, WagonConfigurationException;

    //
    // Retriever

    void touch(Artifact artifact, ArtifactRepository repository, String error);

    String getError(Artifact artifact, ArtifactRepository repository);

    boolean isUpdateRequired(RepositoryMetadata metadata, ArtifactRepository repository, File file);

    void touch(RepositoryMetadata metadata, ArtifactRepository repository, File file);

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.repository.metadata;

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

/**
 * Describes repository directory metadata.
 *
 * TODO not happy about the store method - they use "this"
 */
@Deprecated