}
	authority := ""
	if in.Headers != nil {
		operations := istio_route.TranslateHeadersOperations(in.Headers)
		out.RequestHeadersToAdd = operations.RequestHeadersToAdd
		out.ResponseHeadersToAdd = operations.ResponseHeadersToAdd
		out.RequestHeadersToRemove = operations.RequestHeadersToRemove
		out.ResponseHeadersToRemove = operations.ResponseHeadersToRemove
		authority = operations.Authority
	}

	if in.Redirect != nil {

## Cluster Replication Metrics

Metrics marked as ``Site Replication Only`` only populate on deployments with [Site Replication](https://min.io/docs/minio/linux/operations/install-deploy-manage/multi-site-replication.html) configurations.

	UnspecifiedIP = "0.0.0.0"
	// UnspecifiedIPv6 constant for empty IPv6 address
	UnspecifiedIPv6 = "::"

	// PilotWellKnownDNSCertPath is the path location for Pilot dns serving cert, often used with custom CA integrations
	PilotWellKnownDNSCertPath   = "./var/run/secrets/istiod/tls/"
	PilotWellKnownDNSCaCertPath = "./var/run/secrets/istiod/ca/"

	DefaultPilotTLSCert                = PilotWellKnownDNSCertPath + "tls.crt"

	EnableEnvoyFilterMetrics = env.Register("PILOT_ENVOY_FILTER_STATS", false,
		"If true, Pilot will collect metrics for envoy filter operations.").Get()

	EnableRouteCollapse = env.Register("PILOT_ENABLE_ROUTE_COLLAPSE_OPTIMIZATION", true,
		"If true, Pilot will merge virtual hosts with the same routes into a single virtual host, as an optimization.").Get()

		cachedCluster := cb.cache.Get(&clusterKey)
		if cachedCluster == nil {
			allFound = false
		}
		res = append(res, cachedCluster)
	}
	return res, allFound
}

// build does any final build operations needed, like marshaling etc.
func (mc *clusterWrapper) build() *cluster.Cluster {
	if mc == nil {
		return nil
	}
	// Marshall Http Protocol options if they exist.
	if mc.httpProtocolOptions != nil {

			if err = setEncryptionMetadata(r, bucket, object, encMetadata); err != nil {
				writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
				return
			}
		}
		// Set this for multipart only operations, we need to differentiate during
		// decryption if the file was actually multipart or not.
		encMetadata[ReservedMetadataPrefix+"Encrypted-Multipart"] = ""
	}

	// Extract metadata that needs to be saved.