//
// Must be called only with `index` a valid index in `info->ops`.
static Status RegisterFileSystem(const TF_FilesystemPluginInfo* info,
                                 int index) {
  // Step 1: Copy all the function tables to core TensorFlow memory space
  auto core_filesystem_ops = CopyToCore<TF_FilesystemOps>(
      info->ops[index].filesystem_ops, info->ops[index].filesystem_ops_size);