(motive : Lean.ConstantKind → Sort u_1) →
  (kind : Lean.ConstantKind) →
    (Unit → motive Lean.ConstantKind.defn) →
      (Unit → motive Lean.ConstantKind.thm) →
        (Unit → motive Lean.ConstantKind.axiom) → ((k : Lean.ConstantKind) → motive k) → motive kind