jclouds/jclouds — comment on commit 6712e661ceb0d890a1cb936b8d7f6d1ddba21daf
File: sandbox-apis/virtualbox/src/main/java/org/jclouds/virtualbox/domain/StorageController.java line 130
By jclouds:

seems this and above are a different typename, like HardDriveAttachment? or a Map ?