(self, ui_aggregation, is_multiselect_chart_report=False)
Get the indicator corresponding to this column option. This function will raise an exception if more than
        one indicator corresponds to this column.
Get the indicator corresponding to this column option. This function will raise an exception if more than
        one indicator corresponds to this column.
Get the indicator corresponding to this column option . This function will raise an exception if more than one indicator corresponds to this column .
def _get_indicator(self, ui_aggregation, is_multiselect_chart_report=False):
        """
        Get the indicator corresponding to this column option. This function will raise an exception if more than
        one indicator corresponds to this column.
        """
        raise NotImplementedError
def _get_indicator ( self , ui_aggregation , is_multiselect_chart_report = False ) : raise NotImplementedError