code: def uri_query(self):
          
          value = []
          for option in self.options:
              if option.number == defines.OptionRegistry.URI_QUERY.number:
                  value.append(str(option.value))
          return "&".join(value)
docs: Get the Uri-Query of a request.
  
          :return: the Uri-Query
          :rtype : String
          :return: the Uri-Query string