I know, that there is some pre-existing method which would automatically suggest a different column name, in case the respective output table would already contain such a column.
E.g. node wants to append column with name 'myColumn', but table already has that column, the method would return something like 'myColumn (#1)' or similar.
I thought it was in DataColumnSpec or -Creator, but I cannot find it. Can someone please enlighten me? :)