api_config_source:
      api_type: GRPC
      grpc_services:
        envoy_grpc:
          cluster_name: "xds_cluster"
  cds_config:
    api_config_source:
      api_type: GRPC
      grpc_services:
        envoy_grpc:
          cluster_name: "xds_cluster"

static_resources:
  clusters:
  - name: xds_cluster
    connect_timeout: 0.25s
    type: STATIC
    lb_policy: ROUND_ROBIN
    http2_protocol_options: {}

	out := make([]*cluster.Cluster, 0, 1+len(subsetClusters))
	if defaultCluster != nil {
		out = append(out, defaultCluster)
	}
	return append(out, subsetClusters...)
}

// edsCluster creates a simple cluster to read endpoints from ads/eds.
func edsCluster(name string) *cluster.Cluster {
	return &cluster.Cluster{
		Name:                 name,
		ClusterDiscoveryType: &cluster.Cluster_Type{Type: cluster.Cluster_EDS},

       bool clear_colocations);
  Impl(const Scope& other, Tags::AssignedDevice, const string& assigned_device);
  Impl(const Scope& other, Tags::XlaCluster, const string& xla_cluster);

  std::unordered_set<string> GetColocationConstraints(
      const Operation& colocate_with_op) const;

  // Helper functions to get a unique names.