code: func (i *ImageService) UpdateConfig(maxDownloads, maxUploads *int) {
  	if i.downloadManager != nil && maxDownloads != nil {
  		i.downloadManager.SetConcurrency(*maxDownloads)
  	}
  	if i.uploadManager != nil && maxUploads != nil {
  		i.uploadManager.SetConcurrency(*maxUploads)
  	}
  }
docs: // UpdateConfig values
  //
  // called from reload.go