return extractMetadata(ctx, textproto.MIMEHeader(r.Form), textproto.MIMEHeader(r.Header))
}

func extractMetadata(ctx context.Context, mimesHeader ...textproto.MIMEHeader) (metadata map[string]string, err error) {
	metadata = make(map[string]string)

	for _, hdr := range mimesHeader {
		// Extract all query values.
		err = extractMetadataFromMime(ctx, hdr, metadata)
		if err != nil {

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.metadata;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.maven.artifact.Artifact;

# Body - Fields { #body-fields }

The same way you can declare additional validation and metadata in *path operation function* parameters with `Query`, `Path` and `Body`, you can declare validation and metadata inside of Pydantic models using Pydantic's `Field`.

## Import `Field` { #import-field }

First, you have to import it:

{* ../../docs_src/body_fields/tutorial001_an_py310.py hl[4] *}


/// warning

     * configured update policy.
     *
     * @return {@code true} if remote repositories should be re-checked for updated artifacts/metadata, {@code false}
     *         otherwise.
     */
    boolean isForceUpdate();

    /**
     * Enables/disabled forced checks for updated artifacts/metadata on remote repositories.
     *

import org.apache.maven.artifact.factory.ArtifactFactory;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataManager;
import org.apache.maven.bridge.MavenRepositorySystem;
import org.apache.maven.plugin.LegacySupport;
import org.apache.maven.project.ProjectBuilder;

/**
 * This realizes the metadata source via the default hint to provide backward-compat with Maven 2.x whose Plexus version

	CreatedBefore time.Time     `yaml:"createdBefore,omitempty" json:"createdBefore"`
	Tags          []BatchJobKV  `yaml:"tags,omitempty" json:"tags"`
	Metadata      []BatchJobKV  `yaml:"metadata,omitempty" json:"metadata"`
	KMSKeyID      string        `yaml:"kmskeyid" json:"kmskey"`
}

// BatchKeyRotateNotification success or failure notification endpoint for each job attempts

     */
    void setUrl(String url);

    /**
     * Retrieves the metadata associated with the URL queue.
     *
     * @return a String representing the metadata.
     */
    String getMetaData();

    /**
     * Sets the metadata for the URL queue.
     *
     * @param metaData the metadata to set
     */
    void setMetaData(String metaData);

    /**
     * Retrieves the encoding of the URL queue.
     *

    @Override
    public String getId() {
        return localRepository.getId();
    }

    @Override
    public String pathOfLocalRepositoryMetadata(ArtifactMetadata metadata, ArtifactRepository repository) {
        return localRepository.pathOfLocalRepositoryMetadata(metadata, repository);
    }

    @Override
    public String pathOf(Artifact artifact) {
        return localRepository.pathOf(artifact);
    }

    @Override

 * under the License.
 */
package org.apache.maven.repository.legacy.metadata;

import java.util.List;

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

/**
 * Provides some metadata operations, like querying the remote repository for a list of versions available for an
 * artifact.
 *

Connected to localhost.
sftp> ls runner/
chunkdocs  testdir
```

Following example shows how to download an object locally via `sftp` client:

```
sftp> get runner/chunkdocs/metadata metadata
Fetching /runner/chunkdocs/metadata to metadata
metadata                                                                                                                                                                       100%  226    16.6KB/s   00:00
sftp>