import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
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("classpath")
@Singleton
@Deprecated
public class SimpleArtifactMetadataSource implements ArtifactMetadataSource {

	etags = make([]string, len(partsMetadata))
	vidMap := map[string]int{}
	for index, metadata := range partsMetadata {
		if errs[index] != nil {
			continue
		}
		vid := metadata.VersionID
		if metadata.VersionID == "" {
			vid = nullVersionID
		}
		vidMap[vid]++
		etags[index] = metadata.Metadata["etag"]
	}

	for _, count := range vidMap {
		// do we have enough common versions

     */
    protected String why;

    /** dependencies of the artifact behind this metadata */
    protected Collection<ArtifactMetadata> dependencies;

    /** metadata URI */
    protected String uri;

    /** is metadata found anywhere */
    protected boolean resolved = false;

    /** does the actual artifact for this metadata exists */
    protected boolean artifactExists = false;
    /** artifact URI */

h3. Plugins

* Execution model
* Metadata model
* Metadata tooling
 ** Metadata extractor
 ** Metadata reader
 ** Metadata writer
 ** Metadata adapter (if required for the target system)
* Maven packaging and lifecycle
* Maven test harness for plugin execution model
* Eclipse IDE tooling for plugin execution model and metadata model

- we also seem to have information like the plugin lifecycle model that's buried inside the maven execution model

        }

        //updating/modifying the metadata and making sure every type reference across the metadata is fully qualified
        //so, the superClassName, interfaces and types needed by declared properties and declared methods will have fully qualified name
        TypeNameResolver resolver = new TypeNameResolver(repository)
        repository.each { name, metaData ->
            fullyQualifyAllTypeNames(metaData, resolver)
        }

	"encoding/binary"
	"encoding/hex"
	"encoding/json"
	"fmt"
	"time"

	"github.com/cespare/xxhash/v2"
	jsoniter "github.com/json-iterator/go"
)

// XL constants.
const (
	// XL metadata file carries per object metadata.
	xlStorageFormatFileV1 = "xl.json"
)

// Valid - tells us if the format is sane by validating
// format version and erasure coding information.
func (m *xlMetaV1Object) valid() bool {

///

## Declare metadata { #declare-metadata }

You can declare all the same parameters as for `Query`.

For example, to declare a `title` metadata value for the path parameter `item_id` you can type:

{* ../../docs_src/path_params_numeric_validations/tutorial001_an_py310.py hl[10] *}

/// note

	}
	defer xioutil.SafeClose(out)
	var objsReturned int

	objReturned := func(metadata []byte) {
		if opts.Limit <= 0 {
			return
		}
		if m, _, _ := isIndexedMetaV2(metadata); m != nil && !m.AllHidden(true) {
			objsReturned++
		}
	}
	send := func(entry metaCacheEntry) error {
		objReturned(entry.metadata)
		select {
		case <-ctx.Done():
			return ctx.Err()
		case out <- entry:
		}

        assertNull(queue.getUrl());
    }

    public void test_metaDataGetterSetter() {
        // Test metadata getter/setter
        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        String metaData = "{\"key\":\"value\"}";
        queue.setMetaData(metaData);
        assertEquals(metaData, queue.getMetaData());

        queue.setMetaData(null);
        assertNull(queue.getMetaData());
    }

    public void setUrl(final String url) {
        this.url = url;
    }

    @Override
    public String getMetaData() {
        return metaData;
    }

    @Override
    public void setMetaData(final String metaData) {
        this.metaData = metaData;
    }

    @Override
    public String getEncoding() {
        return encoding;
    }

    @Override