{α : Type} →
  Lean.Core.Context →
    Lean.Environment →
      Lean.Name →
        Lean.Meta.RefinedDiscrTree.ImportErrorData✝ →
          IO.Ref Lean.Meta.State →
            IO.Ref Lean.Core.State →
              (Lean.Name →
                  Lean.ConstantInfo →
                    Lean.MetaM
                      (List (α × List (Lean.Meta.RefinedDiscrTree.Key × Lean.Meta.RefinedDiscrTree.LazyEntry)))) →
                Lean.Meta.RefinedDiscrTree.PreDiscrTree α →
                  Lean.Name → Lean.ConstantInfo → BaseIO (Lean.Meta.RefinedDiscrTree.PreDiscrTree α)