-- | http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-opsworks-stack-source.html#cfn-opsworks-custcookbooksource-revision
owssRevision :: Lens' OpsWorksStackSource (Maybe (Val Text))
owssRevision = lens _opsWorksStackSourceRevision (\s a -> s { _opsWorksStackSourceRevision = a })
owssRevision :: Lens' OpsWorksStackSource (Maybe (Val Text))
owssRevision = lens _opsWorksStackSourceRevision (\s a -> s { _opsWorksStackSourceRevision = a })
owssRevision = lens _opsWorksStackSourceRevision (\s a -> s { _opsWorksStackSourceRevision = a })