protected SortedMap<String, String> getParametersToDisplay(List<ParameterSetOperation> params) {
        // populate param map with sorted by key: key=index/name, value=first value
        SortedMap<String, String> paramMap = new TreeMap<String, String>(new StringAsIntegerComparator());
        for (ParameterSetOperation param : params) {
            String key = getParameterKeyToDisplay(param);
            String value = getParameterValueToDisplay(param);
            paramMap.put(key, value);
        }
        return paramMap;
    }
protected SortedMap < String , String > getParametersToDisplay ( List < ParameterSetOperation > params ) { SortedMap < String , String > paramMap = new TreeMap < String , String > ( new StringAsIntegerComparator ( ) ) ; for ( ParameterSetOperation param : params ) { String key = getParameterKeyToDisplay ( param ) ; String value = getParameterValueToDisplay ( param ) ; paramMap . put ( key , value ) ; } return paramMap ; }
populate param map with sorted by key.

@param params list of ParameterSetOperation
@return a map: key=index/name as string,  value=first value
@since 1.4