{C : Type u} →
  {inst : CategoryTheory.Category.{v, u} C} →
    {inst_1 : CategoryTheory.Limits.HasZeroObject C} →
      {inst_2 : CategoryTheory.Limits.HasZeroMorphisms C} →
        {Z : C} →
          {I : CategoryTheory.InjectiveResolution Z} →
            {Z' : C} → {I' : CategoryTheory.InjectiveResolution Z'} → {f : Z ⟶ Z'} → [SizeOf C] → I.Hom I' f → ℕ