std::vector<std::string>& names_vector) {
  names_vector = absl::StrSplit(names_str, ',', absl::SkipEmpty());
  return absl::OkStatus();
}

static absl::StatusOr<std::vector<std::string>> ParseDTypesHelper(
    absl::string_view data_types_str) {
  bool inside_subtype = false;
  int cur_pos = 0;
  std::vector<std::string> dtypes;
  for (const auto& it : llvm::enumerate(data_types_str)) {
    char c = it.value();