case LegacyType:
		return j.ObjectV1.Signature()
	}
	return signatureErr
}

// getModTime will return the ModTime of the underlying version.
func (j xlMetaV2Version) getModTime() time.Time {
	switch j.Type {
	case ObjectType:
		return time.Unix(0, j.ObjectV2.ModTime)
	case DeleteType:
		return time.Unix(0, j.DeleteMarker.ModTime)
	case LegacyType:
		return j.ObjectV1.Stat.ModTime
	}

    public NavigableSet<E> elementSet() {
      return new StandardElementSet();
    }

    @Override
    public Entry<E> firstEntry() {
      return standardFirstEntry();
    }

    @Override
    public Entry<E> lastEntry() {
      return standardLastEntry();
    }

    @Override
    public Entry<E> pollFirstEntry() {
      return standardPollFirstEntry();
    }

    @Override

	// Check if we are in DCOS environment, return
	// deployment guide for update procedures.
	if IsDCOS() {
		return mesosDeploymentDoc
	}

	// Check if we are in kubernetes environment, return
	// deployment guide for update procedures.
	if IsKubernetes() {
		return kubernetesDeploymentDoc
	}

	// Check if we are docker environment, return docker update command
	if IsDocker() {

					return
				}
			}
		case "EncodingType":
			z.EncodingType, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "EncodingType")
				return
			}
		default:
			bts, err = msgp.Skip(bts)
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	o = bts
	return
}

	config, _, err := globalBucketMetadataSys.GetObjectLockConfig(bucketName)
	if err != nil {
		if errors.Is(err, BucketObjectLockConfigNotFound{Bucket: bucketName}) {
			return r, nil
		}
		if errors.Is(err, errInvalidArgument) {
			return r, err
		}
		return r, err
	}
	return config.ToRetention(), nil
}

// enforceRetentionForDeletion checks if it is appropriate to remove an

       */
      return navigableKeySet();
    }

    @Override
    public Collection<V> values() {
      return new StandardValues();
    }

    @Override
    public String toString() {
      return standardToString();
    }

    @Override
    public Set<Entry<K, V>> entrySet() {
      return new StandardEntrySet() {
        @Override

	if !sys.Initialized() {
		return errServerNotInitialized
	}

	return sys.store.GroupNotificationHandler(ctx, group)
}

// LoadPolicy - reloads a specific canned policy from backend disks or etcd.
func (sys *IAMSys) LoadPolicy(ctx context.Context, objAPI ObjectLayer, policyName string) error {
	if !sys.Initialized() {
		return errServerNotInitialized
	}

		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "Deleted":
			z.Deleted, bts, err = msgp.ReadBoolBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Deleted")
				return
			}
		case "Cached":
			z.Cached, bts, err = msgp.ReadBoolBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Cached")
				return
			}
		case "NoMetadata":

        } else if (MODEL_VERSION_4_1_0.equals(modelVersion)) {
            return MAVEN_4_1_0_SCHEMA_LOCATION;
        } else if (isNewerThan410(modelVersion)) {
            // For versions newer than 4.1.0 but not specifically 4.2.0, use 4.2.0 schema
            return MAVEN_4_2_0_SCHEMA_LOCATION;
        }
        return MAVEN_4_0_0_SCHEMA_LOCATION;
    }

    }

    @TestSubtype
    public Mall<Outdoor>.Shop<Electronics> innerTypeDoesNotMatch_subtypeWithWildcard(
        Mall<Outdoor>.Shop<? extends Electronics> shop) {
      return notSubtype(shop);
    }

    @TestSubtype
    public Mall<Outdoor>.Shop<? extends Electronics> innerTypeDoesNotMatch_supertypeWithWildcard(
        Mall<Outdoor>.Shop<Grocery> shop) {
      return notSubtype(shop);
    }