transformProcessingUnit :: Config -> [Name] -> ProcessingUnit -> Maybe Box
transformProcessingUnit _   _   (ProcessingUnit _ _  UnitIgnored) = Nothing
transformProcessingUnit :: Config -> [Name] -> ProcessingUnit -> Maybe Box
transformProcessingUnit _   _   (ProcessingUnit _ _  UnitIgnored) = Nothing
transformProcessingUnit _   _   (ProcessingUnit _ _  UnitIgnored) = Nothing