TF_ImportGraphDefResults* TF_GraphImportGraphDefWithResults(
    TF_Graph* graph, const TF_Buffer* graph_def,
    const TF_ImportGraphDefOptions* options, TF_Status* status) {
  GraphDef def;
  if (!tensorflow::ParseProtoUnlimited(&def, graph_def->data,
                                       graph_def->length)) {
    status->status = InvalidArgument("Invalid GraphDef");
    return nullptr;
  }
  auto results = new TF_ImportGraphDefResults();

    const char* text_proto,
    std::function<void(FunctionDef*)>* mutate_proto_func, TF_Status* status) {
  tensorflow::GraphDef gdef;
  if (!tensorflow::protobuf::TextFormat::ParseFromString(text_proto, &gdef)) {
    status->status = tensorflow::errors::Internal(
        "Invalid text proto for GraphDef: ", text_proto);
    return {};
  }
  const auto& fdef_lib = gdef.library();
  if (fdef_lib.gradient_size() > 0) {

*   The Python API will now properly set the `list` member of `AttrValue` in
    constructed `GraphDef` messages for empty lists. The serialization of some
    graphs will change, but the change is both forwards and backwards
    compatible. It will break tests that compare a generated `GraphDef` to a
    golden serialized `GraphDef` (which is discouraged).

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