{C : Type u₁} →
  {D : Type u₂} →
    {inst : CategoryTheory.Category.{v₁, u₁} C} →
      {inst_1 : CategoryTheory.Category.{v₂, u₂} D} →
        {L : CategoryTheory.Functor C D} →
          {F : CategoryTheory.Functor D C} →
            {G : CategoryTheory.Functor C D} →
              {R : CategoryTheory.Functor D C} → CategoryTheory.Adjunction.Quadruple L F G R → ℕ