@property
def blockstorage_auth(self):
    warnings.warn("the 'blockstorage_auth' attribute of the VolumesComposite is deprecated.  Please use the 'auth' attribute instead", DeprecationWarning)
    return self._blockstorage_auth
@property
def blockstorage_auth(self):
    warnings.warn("the 'blockstorage_auth' attribute of the VolumesComposite is deprecated.  Please use the 'auth' attribute instead", DeprecationWarning)
    return self._blockstorage_auth