docs: def ReadClientCrashInfoHistory(self, client_id):
      """Reads the full crash history for a particular client."""
      history = self.crash_history.get(client_id)
      if not history:
        return []
      res = []
      for ts in sorted(history, reverse=True):
        client_data = rdf_client.ClientCrash.FromSerializedString(history[ts])
        client_data.timestamp = ts
        res.append(client_data)
      return res