{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {D : Type u₂} →
      [inst_1 : CategoryTheory.Category.{v₂, u₂} D] →
        {J : Type w} →
          [inst_2 : CategoryTheory.Category.{w', w} J] →
            CategoryTheory.Functor J C → CategoryTheory.Functor C D → Type (max (max (max (max u₁ u₂) v₁) v₂) w)