// Running operations with input tensors on the wrong device will fail.
  TFE_DEVICE_PLACEMENT_EXPLICIT = 0,
  // Copy the tensor to the right device but log a warning.
  TFE_DEVICE_PLACEMENT_WARN = 1,
  // Silently copy the tensor, which has a performance cost since the operation
  // will be blocked till the copy completes. This is the default placement
  // policy.
  TFE_DEVICE_PLACEMENT_SILENT = 2,

enum ContextDevicePlacementPolicy {
  // Running operations with input tensors on the wrong device will fail.
  DEVICE_PLACEMENT_EXPLICIT = 0,
  // Copy the tensor to the right device but log a warning.
  DEVICE_PLACEMENT_WARN = 1,
  // Silently copy the tensor, which has a performance cost since the operation
  // will be blocked till the copy completes. This is the default policy.
  DEVICE_PLACEMENT_SILENT = 2,

    const TF_FilesystemPluginInfo* info, int index) {
  TF_RETURN_IF_ERROR(ValidateScheme(info->ops[index].scheme));
  TF_RETURN_IF_ERROR(ValidateABI(&info->ops[index]));
  ValidateAPI(&info->ops[index]);  // we just warn on API number mismatch
  TF_RETURN_IF_ERROR(ValidateOperations(&info->ops[index]));
  TF_RETURN_IF_ERROR(RegisterFileSystem(info, index));
  return OkStatus();
}