### Internal metadata for replication

`xl.meta` that is in use for [versioning](https://github.com/minio/minio/blob/master/docs/bucket/versioning/DESIGN.md) has additional metadata for replication of objects,delete markers and versioned deletes.

## OpenAPI Metadata - Docs

To add metadata to your OpenAPI schema, including a license, version, contact, etc, read the docs for [Tutorial - Metadata and Docs URLs](../tutorial/metadata.md){.internal-link target=_blank}.

## OpenAPI Custom URL

To customize the OpenAPI URL (or remove it), read the docs for [Tutorial - Metadata and Docs URLs](../tutorial/metadata.md#openapi-url){.internal-link target=_blank}.

import org.apache.maven.artifact.metadata.ArtifactMetadata;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.RepositoryRequest;
import org.apache.maven.artifact.repository.metadata.ArtifactRepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataResolutionException;
import org.apache.maven.artifact.repository.metadata.Versioning;

   * Read/write persistence of the upstream source and its metadata. Its layout is as follows:
   *
   *  * 16 bytes: either `OkHttp cache v1\n` if the persisted file is complete. This is another
   *    sequence of bytes if the file is incomplete and should not be used.
   *  * 8 bytes: *n*: upstream data size
   *  * 8 bytes: *m*: metadata size
   *  * *n* bytes: upstream data
   *  * *m* bytes: metadata
   *

## OpenAPI Metadata - Docs

Para adicionar metadados ao seu esquema OpenAPI, incluindo  licensa, versão, contato, etc, leia a seção [Tutorial - Metadata and Docs URLs](../tutorial/metadata.md){.internal-link target=_blank}.

## OpenAPI com URL customizada

Para customizar a URL do OpenAPI (ou removê-la), leia a seção [Tutorial - Metadata and Docs URLs](../tutorial/metadata.md#openapi-url){.internal-link target=_blank}.

        if (exception != null) {
            msg = ": " + exception.getMessage();
        }

        if (logger.isDebugEnabled()) {
            logger.warn("The metadata {} {}{}", metadata, errorType, msg, exception);
        } else {
            logger.warn("The metadata {} {}{}", metadata, errorType, msg);
        }
    }

    @Override
    public void artifactDescriptorInvalid(RepositoryEvent event) {

    }

    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.versioning.ArtifactVersion;
import org.apache.maven.repository.legacy.metadata.ArtifactMetadataRetrievalException;
import org.apache.maven.repository.legacy.metadata.ArtifactMetadataSource;
import org.apache.maven.repository.legacy.metadata.MetadataResolutionRequest;
import org.apache.maven.repository.legacy.metadata.ResolutionGroup;

@Named
@Singleton
@Deprecated

//     -        metadata <- IV
//     -        metadata <- KeyID
//     -        metadata <- EncKey
//     -        metadata <- SealedKey
//     Output: enc_object_data, metadata
//
//  2. Decrypt:
//     Input: bucket, object, metadata, enc_object_data
//     -      KeyID  <- metadata
//     -      EncKey <- metadata
//     -          IV <- metadata
//     -   SealedKey <- metadata

		if err != nil {
			t.Fatalf("Test %d: Failed to encrypt request: %v", i, err)
		}
		if kdf, ok := test.metadata[crypto.MetaAlgorithm]; !ok {
			t.Errorf("Test %d: ServerSideEncryptionKDF must be part of metadata: %v", i, kdf)
		}
		if iv, ok := test.metadata[crypto.MetaIV]; !ok {
			t.Errorf("Test %d: crypto.SSEIV must be part of metadata: %v", i, iv)
		}