{J : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} J] →
    {C : Type u} →
      [inst_1 : CategoryTheory.Category.{v, u} C] →
        {F G : CategoryTheory.Functor J C} →
          [inst_2 : CategoryTheory.Limits.HasColimit F] →
            [inst_3 : CategoryTheory.Limits.HasColimit G] →
              (F ⟶ G) → (CategoryTheory.Limits.colimit F ⟶ CategoryTheory.Limits.colimit G)