{𝒮 : Type u₁} →
  {inst : CategoryTheory.Category.{v₁, u₁} 𝒮} →
    {𝒳 : CategoryTheory.BasedCategory 𝒮} →
      {𝒴 : CategoryTheory.BasedCategory 𝒮} →
        (F G : CategoryTheory.BasedFunctor 𝒳 𝒴) → [SizeOf 𝒮] → SizeOf (CategoryTheory.BasedNatTrans F G)