Sort u →
  {α : Type u_1} →
    {β : Type u_2} →
      [inst : TopologicalSpace α] →
        {F : Ctop.Realizer α} →
          {f : β → Set α} →
            LocallyFinite.Realizer F f →
              {α' : Type u_1} →
                {β' : Type u_2} →
                  [inst' : TopologicalSpace α'] →
                    {F' : Ctop.Realizer α'} → {f' : β' → Set α'} → LocallyFinite.Realizer F' f' → Sort u