{motive : Lean.Expr → Sort u} →
  (t : Lean.Expr) →
    ((fvarId : Lean.FVarId) → motive (Lean.Expr.fvar fvarId)) →
      ((a : Lean.Literal) → motive (Lean.Expr.lit a)) →
        ((mvarId : Lean.MVarId) → motive (Lean.Expr.mvar mvarId)) →
          ((deBruijnIndex : ℕ) → motive (Lean.Expr.bvar deBruijnIndex)) →
            ((declName : Lean.Name) → (us : List Lean.Level) → motive (Lean.Expr.const declName us)) →
              ((u : Lean.Level) → motive (Lean.Expr.sort u)) → (Nat.hasNotBit 543 t.ctorIdx → motive t) → motive t