(motive : Lean.Meta.Tactic.TryThis.Suggestion ⊕ Lean.MessageData → Sort u_1) →
  (__do_lift : Lean.Meta.Tactic.TryThis.Suggestion ⊕ Lean.MessageData) →
    ((suggestion : Lean.Meta.Tactic.TryThis.Suggestion) → motive (Sum.inl suggestion)) →
      ((message : Lean.MessageData) → motive (Sum.inr message)) → motive __do_lift