∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : HomotopicalAlgebra.ModelCategory C]
  (X : HomotopicalAlgebra.CofibrantObject.HoCat C),
  HomotopicalAlgebra.WeakEquivalence (HomotopicalAlgebra.CofibrantObject.HoCat.adjUnit.app X)