public String getValueForDisplayValue(final String key) {
        if (mapDisplayValuesToValues.containsKey(key)) {
            return mapDisplayValuesToValues.get(key);
        }
        return key;
    }
public String getValueForDisplayValue ( final String key ) { if ( mapDisplayValuesToValues . containsKey ( key ) ) { return mapDisplayValuesToValues . get ( key ) ; } return key ; }
Returns real unquoted value for a DisplayValue
@param key
@return