import org.apache.maven.artifact.metadata.ArtifactMetadata;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataStoreException;

/**
 * Attach a POM to an artifact.
 *
 */
@Deprecated
public class ProjectArtifactMetadata extends AbstractArtifactMetadata {
    private final File file;

                }
            }
        }

        try {
            mergeMetadata(metadata, remoteRepositories, localRepo);
        } catch (RepositoryMetadataStoreException e) {
            throw new RepositoryMetadataResolutionException(
                    "Unable to store local copy of metadata: " + e.getMessage(), e);
        }
    }

            throws RepositoryMetadataStoreException {
        try {
            updateRepositoryMetadata(localRepository, remoteRepository);
        } catch (IOException | XMLStreamException e) {
            throw new RepositoryMetadataStoreException("Error updating group repository metadata", e);
        }
    }

import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout;
import org.apache.maven.artifact.repository.layout.DefaultRepositoryLayout;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataStoreException;
import org.apache.maven.repository.Proxy;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;