(self)
return list(self._column_configs.values())
This returns a list of BaseReportColumn objects that define the top-level columns
        in the report. These top-level columns may resolve to more than one column in the
        underlying query or report (e.g. percentage columns or expanded columns)
This returns a list of BaseReportColumn objects that define the top-level columns
        in the report. These top-level columns may resolve to more than one column in the
        underlying query or report (e.g. percentage columns or expanded columns)
This returns a list of BaseReportColumn objects that define the top - level columns in the report . These top - level columns may resolve to more than one column in the underlying query or report ( e . g . percentage columns or expanded columns )
def top_level_columns(self):
        """
        This returns a list of BaseReportColumn objects that define the top-level columns
        in the report. These top-level columns may resolve to more than one column in the
        underlying query or report (e.g. percentage columns or expanded columns)
        """
        return list(self._column_configs.values())
def top_level_columns ( self ) : return list ( self . _column_configs . values ( ) )