∀ {J : Type u_1} [inst : CategoryTheory.Category.{u_4, u_1} J] {C : Type u_3}
  [inst_1 : CategoryTheory.Category.{u_2, u_3} C] [CategoryTheory.Limits.HasPushouts C] {F : CategoryTheory.Functor J C}
  {c : CategoryTheory.Limits.Cone F} {X : C} (f : c.pt ⟶ X),
  CategoryTheory.Limits.HasColimit (CategoryTheory.Limits.span c.π ((CategoryTheory.Functor.const J).map f))