-- | Is this a 'TyCon', synonym or otherwise, that defines a family?
isFamilyTyCon :: TyCon -> Bool
isFamilyTyCon (FamilyTyCon {})                           = True
isFamilyTyCon :: TyCon -> Bool
isFamilyTyCon (FamilyTyCon {})                           = True
isFamilyTyCon (FamilyTyCon {})                           = True