{B : Type u₁} →
  {inst : CategoryTheory.Bicategory B} →
    {C : Type u₂} →
      {inst_1 : CategoryTheory.Bicategory C} →
        (F G : CategoryTheory.LaxFunctor B C) → [SizeOf B] → [SizeOf C] → SizeOf (CategoryTheory.Lax.StrongTrans F G)