extract helper for defaultExceptionTypeName
extract helper for defaultExceptionTypeName

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