{C : Type u_1} →
  [inst : CategoryTheory.Category.{v_1, u_1} C] →
    [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C] →
      {I₁ : Type u_2} →
        {I₂ : Type u_3} →
          {c₁ : ComplexShape I₁} →
            {c₂ : ComplexShape I₂} → HomologicalComplex₂ C c₁ c₂ → CategoryTheory.GradedObject (I₁ × I₂) C