Sets the filtering information for the given key to the inputed value.
        
        :param      key | <str>
                    value | <str>

def setFilterData(self, key, value):
        """
        Sets the filtering information for the given key to the inputed value.
        
        :param      key | <str>
                    value | <str>
        """
        self._filterData[nativestring(key)] = nativestring(value)