∀ {α : Type} {tree : Lean.Meta.RefinedDiscrTree.PreDiscrTree α}
  {errors : Array Lean.Meta.RefinedDiscrTree.ImportFailure✝} {tree_1 : Lean.Meta.RefinedDiscrTree.PreDiscrTree α}
  {errors_1 : Array Lean.Meta.RefinedDiscrTree.ImportFailure✝¹},
  { tree := tree, errors := errors } = { tree := tree_1, errors := errors_1 } → tree = tree_1 ∧ errors = errors_1