*/
  // Define
  TF_Operation* feed1 = Placeholder(func_graph_, s_, "feed1");
  TF_Operation* feed2 = Placeholder(func_graph_, s_, "feed2");
  TF_Operation* feed3 = Placeholder(func_graph_, s_, "feed3");
  TF_Operation* add1 = Add(feed1, feed2, func_graph_, s_, "add1");
  TF_Operation* add2 = Add(add1, feed3, func_graph_, s_, "add2");
  Define(-1, {}, {feed1, feed2, feed3}, {add1, add2}, {});

  // Use, run, and verify

}

TEST_F(CApiColocationTest, StringList_ColocateWith) {
  SetViaStringList(desc_, {"loc:@feed2"});
  TF_ColocateWith(desc_, feed1_);
  FinishAndVerify(desc_, {"loc:@feed1", "loc:@feed2"});
}

TEST_F(CApiColocationTest, Proto_ColocateWith) {
  SetViaProto(desc_, {"loc:@feed2"});
  TF_ColocateWith(desc_, feed1_);
  FinishAndVerify(desc_, {"loc:@feed1", "loc:@feed2"});
}

    const TF_Operation* const* target_opers, int ntargets,
    // RunMetadata
    TF_Buffer* run_metadata,
    // Output status
    TF_Status*);

// Set up the graph with the intended feeds (inputs) and fetches (outputs) for a
// sequence of partial run calls.
//
// On success, returns a handle that is used for subsequent PRun calls. The