return failure();

    // In new graph export pipeline, we will update control dependencies in the
    // end of the pipeline. Mostly, it will rely on side effect analysis by
    // considering accessing resource only. However, for branches under parallel
    // group, there should not be any control deps between them even side effect
    // analysis indicate some control deps. Therefore, we will mark parallel

  /** The HTTP {@code Access-Control-Allow-Headers} header field name. */
  public static final String ACCESS_CONTROL_ALLOW_HEADERS = "Access-Control-Allow-Headers";
  /** The HTTP {@code Access-Control-Allow-Methods} header field name. */
  public static final String ACCESS_CONTROL_ALLOW_METHODS = "Access-Control-Allow-Methods";
  /** The HTTP {@code Access-Control-Allow-Origin} header field name. */

  Node* write_1 = MakeWrite(root, "W1");
  Node* neutral = MakeNeutral(root, "N");
  Node* read_0 = MakeRead(root, "R0");
  Node* read_1 = MakeRead(root, "R1");

  root.graph()->AddControlEdge(write_0, neutral);
  root.graph()->AddControlEdge(write_1, neutral);
  root.graph()->AddControlEdge(neutral, read_0);
  root.graph()->AddControlEdge(neutral, read_1);

  std::vector<std::pair<int, int>> incompatible_pairs;

    // In new graph export pipeline, we will update control dependencies in the
    // end of the pipeline. Mostly, it will rely on side effect analysis by
    // considering accessing resource only. However, for branches under parallel
    // group, there should not be any control deps between them even side effect
    // analysis indicate some control deps. Therefore, we will mark parallel

// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//

	watcher := keycertbundle.NewWatcher()
	watcher.SetAndNotify(nil, nil, caBundle0)
	control := newController(Options{
		WatchedNamespace: ns,
		CABundleWatcher:  watcher,
		Revision:         revision,
		ServiceName:      "istiod",
	}, c)
	stop := test.NewStop(t)
	c.RunAndWait(stop)
	go control.Run(stop)
	kube.WaitForCacheSync("test", stop, control.queue.HasSynced)

	gatewayError := setupGatewayError(c)

    kTfSavedModelInitializerRestoreType, kTfSavedModelInitializerInitType};

// This pass moves all ops from initializer functions to the main function. A
// new `tf.NoOp` that has control dependency to the initializer function for
// non-variable resources will be created. The control output of the new
// `tf.NoOp` will be merged into the main function's `FetchOp`.
class MergeInitializerFunctionOpsToMainPass

}

// unupgradedControlPlaneInstances returns a list of control palne instances that have not yet been upgraded.
//
// NB. This function can only be called after the current control plane instance has been upgraded already.
// Because it determines whether the other control plane instances have been upgraded by checking whether
// the kube-apiserver image of other control plane instance is the same as that of this instance.

// the islands being merged. Unused results outside of the merged island to be
// formed are pruned. If the child island inner ops consume the parent island
// control result, the child island inner ops will have that respective control
// input pruned. Results of the parent island that are consumed by the child
// island are replaced by the respective inner ops result from the parent
// island.

// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//