Method: CONSTRUCTOR
Method: EXTRACT
Method: EXTEND
Method: GET_DIFF_TERMS
Method: MERGE
Method: EXCHANGE_VALUES
Method: GET_VALUE_TEXTS
Method: COMPARE
Method: GET_DIFF_VALUE
Method: IS_PART_OF
Method: GENERATE_RANGES
Method: GET_INCOMPLETE_TERMS
Method: TO_STRING
Method: IS_EQUAL
Method: MODIFY_DIFF_VALUE
Method: SET_DIFF_VALUES