{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {J : Type u₂} →
      [inst_1 : CategoryTheory.Category.{v₂, u₂} J] →
        (F : CategoryTheory.Functor Jᵒᵖ Cᵒᵖ) →
          {c : CategoryTheory.Limits.Cone F.unop} →
            CategoryTheory.Limits.IsColimit (CategoryTheory.Limits.coconeOfConeUnop c) → CategoryTheory.Limits.IsLimit c