{motive : Mathlib.Tactic.DeprecationInfo✝ → Sort u} →
  ((module decl : Lean.Name) →
      (rgStart rgStop : Lean.Position) →
        (since : String) →
          motive { module := module, decl := decl, rgStart := rgStart, rgStop := rgStop, since := since }) →
    (t : Mathlib.Tactic.DeprecationInfo✝¹) → motive t