{C : Type u} →
  {inst : CategoryTheory.Category.{v, u} C} →
    {f g : CategoryTheory.Arrow C} →
      {inst_1 : CategoryTheory.Limits.HasImage f.hom} →
        {inst_2 : CategoryTheory.Limits.HasImage g.hom} →
          (sq : f ⟶ g) → [SizeOf C] → SizeOf (CategoryTheory.Limits.ImageMap sq)