// Note that `matches` is allocated by the plugin and freed by core
  // TensorFlow, so we need to use `plugin_memory_free_` here.
  char** matches = nullptr;
  const int num_matches = ops_->get_matching_paths(
      filesystem_.get(), pattern.c_str(), &matches, plugin_status.get());
  if (num_matches >= 0) {
    for (int i = 0; i < num_matches; i++) {
      result->push_back(std::string(matches[i]));