@Override
	public boolean hasColumnFilter(int modelIndex) {
		for (TableFilter<?> tableFilter : filters) {
			if (tableFilter.hasColumnFilter(modelIndex)) {
				return true;
			}
		}
		return false;
	}
Returns the filter at the given index into the list of sub filters.
@param index the index of the filter to retrieve

@return the i'th filter.
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/CombinedTableFilter.java