{α : Type} →
  {motive : Lean.Meta.RefinedDiscrTree.InitResults✝ α → Sort u} →
    ((tree : Lean.Meta.RefinedDiscrTree.PreDiscrTree α) →
        (errors : Array Lean.Meta.RefinedDiscrTree.ImportFailure✝) → motive { tree := tree, errors := errors }) →
      (t : Lean.Meta.RefinedDiscrTree.InitResults✝¹ α) → motive t