prefixLens :: Lens.Lens (IndexedP (((Maybe Prefix, a), x, y, z), p)) (IndexedP (((b, a), x, y, z), p)) (Maybe Prefix) b
prefixLens = basicLens . Lens._1 . Lens._1 . Lens._1
prefixLens :: Lens.Lens (IndexedP (((Maybe Prefix, a), x, y, z), p)) (IndexedP (((b, a), x, y, z), p)) (Maybe Prefix) b
prefixLens = basicLens . Lens._1 . Lens._1 . Lens._1
prefixLens = basicLens . Lens._1 . Lens._1 . Lens._1