∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.Preadditive C]
  [CategoryTheory.Limits.HasBinaryBiproducts C] {X₁ X₂ : CochainComplex C ℤ} (f : X₁ ⟶ X₂),
  HomologicalComplex.HasHomotopyCofiber f