import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Array;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

			Queries("select", "").Queries("select-type", "2")
		// GetObjectRetention
		router.Methods(http.MethodGet).Path("/{object:.+}").
			HandlerFunc(s3APIMiddleware(api.GetObjectRetentionHandler)).
			Queries("retention", "")
		// GetObjectLegalHold
		router.Methods(http.MethodGet).Path("/{object:.+}").
			HandlerFunc(s3APIMiddleware(api.GetObjectLegalHoldHandler)).
			Queries("legal-hold", "")
		// GetObject with lambda ARNs

		return
	}

	retention := objectlock.GetObjectRetentionMeta(objInfo.UserDefined)
	if !retention.Mode.Valid() {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrNoSuchObjectLockConfiguration), r.URL)
		return
	}

	writeSuccessResponseXML(w, encodeResponse(retention))
	// Notify object retention accessed via a GET request.
	sendEvent(eventArgs{

	"policy",
	"requestPayment",
	"response-cache-control",
	"response-content-disposition",
	"response-content-encoding",
	"response-content-language",
	"response-content-type",
	"response-expires",
	"retention",
	"select",
	"select-type",
	"tagging",
	"torrent",
	"uploadId",
	"uploads",
	"versionId",
	"versioning",
	"versions",
	"website",
}

// Signature and API related constants.
const (

    private static final Object[] OBJECT_ARGS = new Object[0];

    /**
     * Use a WeakHashMap here, so the keys (Class objects) can be garbage collected.
     * This approach prevents permgen space overflows due to retention of discarded
     * classloaders.
     */
    private static final Map<Class<?>, WeakReference<ClassMap>> CLASS_MAPS = new WeakHashMap<>();

    static final int EOF = -1;

    static final char PROPERTY_START = '.';

				w.Header()[xhttp.AmzObjectTagging] = []string{objInfo.UserTags}
			}
		}
	}

	// Set all other user defined metadata.
	for k, v := range objInfo.UserDefined {
		// Empty values for object lock and retention can be skipped.
		if v == "" && equals(k, xhttp.AmzObjectLockMode, xhttp.AmzObjectLockRetainUntilDate) {
			continue
		}

		if stringsHasPrefixFold(k, ReservedMetadataPrefixLower) {

// If no metadata is supplied, -1 is returned if no action is taken.
func (i *scannerItem) applyActions(ctx context.Context, objAPI ObjectLayer, objInfos []ObjectInfo, lr lock.Retention, sizeS *sizeSummary, fn actionsAccountingFn) {
	if len(objInfos) == 0 {
		return
	}
	healActions := func(oi ObjectInfo, actualSz int64) int64 {
		size := actualSz
		if i.heal.enabled {

			// buckets that failed healing.
			retErr = err
			healingLogIf(ctx, err)
			continue
		}

		var (
			vc   *versioning.Versioning
			lc   *lifecycle.Lifecycle
			lr   objectlock.Retention
			rcfg *replication.Config
		)

		if !isMinioMetaBucketName(bucket) {
			vc, err = globalBucketVersioningSys.Get(bucket)
			if err != nil {
				retErr = err
				healingLogIf(ctx, err)
				continue

   * completes).
   *
   * <p>This is similar to our proposed {@code afterCommit} method but not quite the same. See the
   * description of CL 265462958.
   */
  // TODO(user): Write more tests for memory retention.
  @ForOverride
  @OverridingMethodsMustInvokeSuper
  void releaseResources(ReleaseResourcesReason reason) {
    checkNotNull(reason);
    /*

	workerSize += len(pool.sets)

	wk, err := workers.New(workerSize)
	if err != nil {
		return err
	}

	var vc *versioning.Versioning
	var lc *lifecycle.Lifecycle
	var lr objectlock.Retention
	var rcfg *replication.Config
	if bi.Name != minioMetaBucket {
		vc, err = globalBucketVersioningSys.Get(bi.Name)
		if err != nil {
			return err
		}