)

var isMultipartTests = []struct {
	Metadata  map[string]string
	Multipart bool
}{
	{Multipart: true, Metadata: map[string]string{MetaMultipart: ""}},                          // 0
	{Multipart: true, Metadata: map[string]string{"X-Minio-Internal-Encrypted-Multipart": ""}}, // 1
	{Multipart: true, Metadata: map[string]string{MetaMultipart: "some-value"}},                // 2

    }

    @Override
    public void setMetadata(Metadata metadata) {
        this.metadata = metadata;
    }

    @Override
    public Metadata getMetadata() {
        return metadata;
    }

    @Override
    public void merge(org.apache.maven.repository.legacy.metadata.ArtifactMetadata metadata) {

        // snapshot timestamp, or some other timestamp later encoded into the metadata.
        // TODO this needs to be repeated here so the merging doesn't interfere with the written metadata
        //  - we'd be much better having a pristine input, and an ongoing metadata for merging instead

        Map<ArtifactRepository, Metadata> previousMetadata = new HashMap<>();
        ArtifactRepository selected = null;

import java.util.Date;
import java.util.Map;

import org.apache.maven.artifact.repository.metadata.Metadata;
import org.apache.maven.metadata.v4.MetadataStaxReader;
import org.apache.maven.metadata.v4.MetadataStaxWriter;
import org.eclipse.aether.RepositoryException;
import org.eclipse.aether.metadata.AbstractMetadata;
import org.eclipse.aether.metadata.MergeableMetadata;

/**
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead

    @Override
    public String getGroupId() {
        return emptify(metadata.getGroupId());
    }

    @Override
    public String getArtifactId() {
        return metadata.storedInGroupDirectory() ? "" : emptify(metadata.getArtifactId());
    }

    @Override
    public String getVersion() {
        return metadata.storedInArtifactVersionDirectory() ? emptify(metadata.getBaseVersion()) : "";
    }

    @Override

	return key, err
}

// CreateMetadata encodes the sealed object key into the metadata and returns
// the modified metadata. If the keyID and the kmsKey is not empty it encodes
// both into the metadata as well. It allocates a new metadata map if metadata
// is nil.
func (ssekms) CreateMetadata(metadata map[string]string, keyID string, kmsKey []byte, sealedKey SealedKey, ctx kms.Context) map[string]string {

    static class ArtifactMetadataAdapter implements ArtifactMetadata {

        private final Metadata metadata;

        ArtifactMetadataAdapter(Metadata metadata) {
            this.metadata = metadata;
        }

        @Override
        public boolean storedInArtifactVersionDirectory() {
            return !metadata.getVersion().isEmpty();
        }

        @Override

        String dateBefore = gregorianDate();

        RemoteSnapshotMetadata metadata =
                new RemoteSnapshotMetadata(new DefaultArtifact("a:b:1-SNAPSHOT"), new Date(), null);
        metadata.merge(new Metadata());

        String dateAfter = gregorianDate();

        String ts = metadata.metadata.getVersioning().getSnapshot().getTimestamp();
        String datePart = DATE_FILTER.matcher(ts).replaceAll("");

    }

    private static Metadata createMetadataFromArtifact(Artifact artifact) {
        Metadata metadata = new Metadata();
        metadata.setArtifactId(artifact.getArtifactId());
        metadata.setGroupId(artifact.getGroupId());
        metadata.setVersion(artifact.getVersion());
        metadata.setVersioning(new Versioning());
        return metadata;
    }

import org.apache.maven.artifact.repository.metadata.ArtifactRepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.Metadata;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataManager;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataResolutionException;