∀ {keys : List Lean.Meta.RefinedDiscrTree.Key} {score : ℕ} {trie : Lean.Meta.RefinedDiscrTree.TrieIndex}
  {treeStars : Std.HashMap ℕ (List Lean.Meta.RefinedDiscrTree.Key)} {keys_1 : List Lean.Meta.RefinedDiscrTree.Key}
  {score_1 : ℕ} {trie_1 : Lean.Meta.RefinedDiscrTree.TrieIndex}
  {treeStars_1 : Std.HashMap ℕ (List Lean.Meta.RefinedDiscrTree.Key)},
  { keys := keys, score := score, trie := trie, treeStars := treeStars } =
      { keys := keys_1, score := score_1, trie := trie_1, treeStars := treeStars_1 } →
    keys = keys_1 ∧ score = score_1 ∧ trie = trie_1 ∧ treeStars = treeStars_1