public Parser readWithClause() {
        if (readWithClauseParser == null) {
           FutureParser future = scoped("readWithClause");
           readWithClauseParser = future;
           future.setParser(
               sequence(
                   optional(
                       token("WITH")
                   ),
                   choice(
                       readLockClause(),
                       token("WAIT")
                   )
               )
           );
        }

        return readWithClauseParser;
    }