def Parse(self):
    """Iterator returning dict for each entry in history."""
    for data in self.Query(self.EVENTS_QUERY):
      (timestamp, agent_bundle_identifier, agent_name, url, sender,
       sender_address, type_number, title, referrer, referrer_alias) = data
      yield [
          timestamp, "OSX_QUARANTINE", url, referrer, title, agent_name,
          agent_bundle_identifier, sender, sender_address, type_number,
          referrer_alias
      ]