(motive : Option (Lean.NameMap (List (Lean.Name × Float))) → Sort u_1) →
  (__do_lift : Option (Lean.NameMap (List (Lean.Name × Float)))) →
    ((map : Lean.NameMap (List (Lean.Name × Float))) → motive (some map)) → (Unit → motive none) → motive __do_lift