// `protos` and `proto_lens` must point to arrays of length `num_shapes`.
// `protos[i]` must point to an array of `proto_lens[i]` bytes
// representing a binary-serialized TensorShapeProto.
TF_CAPI_EXPORT extern void TF_SetAttrTensorShapeProtoList(
    TF_OperationDescription* desc, const char* attr_name,
    const void* const* protos, const size_t* proto_lens, int num_shapes,
    TF_Status* status);

  std::unique_ptr<size_t[]> list_lens;
  const std::vector<std::string> list = {bytes1, bytes2};
  StringVectorToArrays(list, &list_ptrs, &list_lens);

  auto desc = init("list(shape)");
  TF_SetAttrTensorShapeProtoList(desc, "v", list_ptrs.get(), list_lens.get(),
                                 list.size(), s_);
  ASSERT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);
  auto oper = TF_FinishOperation(desc, s_);