(self, data_instance)
If security_level == 0, then perform raw information retrieval
        :param data_instance:
        :return:
If security_level == 0, then perform raw information retrieval
        :param data_instance:
        :return:
If security_level == 0 then perform raw information retrieval : param data_instance : : return :
def _raw_information_retrieval(self, data_instance):
        """
        If security_level == 0, then perform raw information retrieval
        :param data_instance:
        :return:
        """
        pass
def _raw_information_retrieval ( self , data_instance ) : pass