(motive : Option (Array Lean.Elab.Term.Arg × Array Lean.Elab.Term.NamedArg) → Sort u_1) →
  (x : Option (Array Lean.Elab.Term.Arg × Array Lean.Elab.Term.NamedArg)) →
    (Unit → motive none) → ((a : Array Lean.Elab.Term.Arg × Array Lean.Elab.Term.NamedArg) → motive (some a)) → motive x