::tensorflow::Env::Default()->GetLocalTempDirectories(tmpdirs);

  auto* list = new TF_StringStream;
  list->list = tmpdirs;
  list->position = 0;
  return list;
}

char* TF_GetTempFileName(const char* extension) {
  return strdup(::tensorflow::io::GetTempFilename(extension).c_str());
}

TF_CAPI_EXPORT extern uint64_t TF_NowNanos(void) {
  return ::tensorflow::Env::Default()->NowNanos();
}

TF_CAPI_EXPORT extern TF_StringStream* TF_GetLocalTempDirectories(void);

// Creates a temporary file name with an extension.
// The caller is responsible for freeing the returned pointer.
TF_CAPI_EXPORT extern char* TF_GetTempFileName(const char* extension);

// Returns the number of nanoseconds since the Unix epoch.
TF_CAPI_EXPORT extern uint64_t TF_NowNanos(void);

// Returns the number of microseconds since the Unix epoch.

  char* temp_file_name = TF_GetTempFileName("");
  file->plugin_file = new tf_writable_file::GCSFile(
      {std::move(bucket), std::move(object), &gcs_file->gcs_client,
       TempFile(temp_file_name, std::ios::binary | std::ios::out), true,
       (gcs_file->compose ? 0 : -1)});
  // We are responsible for freeing the pointer returned by TF_GetTempFileName
  free(temp_file_name);