Control.Lens.Tuple
class Field1 s t a b
class Field2 s t a b
class Field3 s t a b
class Field4 s t a b
class Field5 s t a b
class Field6 s t a b
class Field7 s t a b
class Field8 s t a b
class Field9 s t a b
_1'
_2'
_3'
_4'
_5'
_6'
_7'
_8'
_9'