message: Documenting `missing_descendant_trie_keys`
diff: @@ -217,6 +217,11 @@ where
  }
  }
  +/// Given a root hash, find any try keys that are descendant from it that are referenced but not
  +/// present in the database.
  +///
  +/// If the `validate` flag is set then verify for all descendant keys that *are* present in the
  +/// database that they are the hash of their values.
  pub fn missing_descendant_trie_keys<K, V, T, S, E>(
  _correlation_id: CorrelationId,
  txn: &T,
  