pull super class valid check into helper method
pull super class valid check into helper method

aspleenic/mirah,uujava/mirah,uujava/mirah,felixvf/mirah,felixvf/mirah,KeenS/mirah,aspleenic/mirah,uujava/mirah,aspleenic/mirah,mirah/mirah,uujava/mirah,felixvf/mirah,aspleenic/mirah,KeenS/mirah,aspleenic/mirah,uujava/mirah,mirah/mirah,mirah/mirah,mirah/mirah,KeenS/mirah,KeenS/mirah,felixvf/mirah