code: func (t *awsElasticBlockStoreCSITranslator) CanSupport(pv *v1.PersistentVolume) bool {
  	return pv != nil && pv.Spec.AWSElasticBlockStore != nil
  }
docs: // CanSupport tests whether the plugin supports a given volume
  // specification from the API.  The spec pointer should be considered
  // const.