∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : HomotopicalAlgebra.ModelCategory C]
  {D : Type u_2} [inst_2 : CategoryTheory.Category.{v_2, u_2} D] (L : CategoryTheory.Functor C D)
  [inst_3 : L.IsLocalization (HomotopicalAlgebra.weakEquivalences C)],
  CategoryTheory.IsIso (HomotopicalAlgebra.CofibrantObject.HoCat.resolutionCompToLocalizationNatTrans L)