[ { "BlackBox" :
    { "name"      : "GHC.TypeNats.natVal"
    , "workInfo"  : "Never"
    , "kind"      : "Expression"
    , "type"      : "natVal :: forall n proxy. KnownNat n => proxy n -> Natural"
    , "template"  : "~ARG[0]"
    }
  }
]