liftConfigFlag :: FieldDescr ConfigFlags -> FieldDescr SavedConfig
liftConfigFlag = liftField
  savedConfigureFlags (\flags conf -> conf { savedConfigureFlags = flags })
liftConfigFlag :: FieldDescr ConfigFlags -> FieldDescr SavedConfig
liftConfigFlag = liftField
  savedConfigureFlags (\flags conf -> conf { savedConfigureFlags = flags })
liftConfigFlag = liftField
  savedConfigureFlags (\flags conf -> conf { savedConfigureFlags = flags })