(motive : Option (Lean.Elab.Do.DoElabM Lean.Expr) → Sort u_1) →
  (__do_lift : Option (Lean.Elab.Do.DoElabM Lean.Expr)) →
    ((breakCont : Lean.Elab.Do.DoElabM Lean.Expr) → motive (some breakCont)) →
      ((x : Option (Lean.Elab.Do.DoElabM Lean.Expr)) → motive x) → motive __do_lift