ops->filesystem_ops->copy_file = tf_posix_filesystem::CopyFile;
  ops->filesystem_ops->path_exists = tf_posix_filesystem::PathExists;
  ops->filesystem_ops->stat = tf_posix_filesystem::Stat;
  ops->filesystem_ops->get_children = tf_posix_filesystem::GetChildren;
}

void TF_InitPlugin(TF_FilesystemPluginInfo* info) {
  info->plugin_memory_allocate = plugin_memory_allocate;
  info->plugin_memory_free = plugin_memory_free;

  // at most two children for the prefix to detect if a directory is empty.
  auto gcs_file = static_cast<GCSFile*>(filesystem->plugin_filesystem);
  auto childrens = GetChildrenBounded(gcs_file, path, 2, true, true, status);
  if (TF_GetCode(status) != TF_OK) return;
  if (childrens.size() > 1 || (childrens.size() == 1 && !childrens[0].empty()))
    return TF_SetStatus(status, TF_FAILED_PRECONDITION,

  char** children = nullptr;
  const int num_children =
      ops_->get_children(filesystem_.get(), translated_name.c_str(), &children,
                         plugin_status.get());
  if (num_children >= 0) {
    for (int i = 0; i < num_children; i++) {
      result->push_back(std::string(children[i]));
      plugin_memory_free_(children[i]);
    }
    plugin_memory_free_(children);
  }

  EXPECT_TF_OK(status_);

  std::vector<std::string> childrens;
  for (int i = 0; i < num_entries; ++i) {
    childrens.push_back(entries[i]);
  }
  std::sort(childrens.begin(), childrens.end());
  EXPECT_EQ(std::vector<string>({"SubDir/", "TestFile.csv"}), childrens);
}

TEST_F(GCSFilesystemTest, DeleteFile) {
  tf_gcs_filesystem::Init(filesystem_, status_);