@Test
        void filter() {
            oql(person.age.is(18)).is("age = 18");
            oql(person.age.isNot(18)).is("age != 18");

            oql(person.age.atMost(18)).is("age <= 18");
            oql(person.age.lessThan(18)).is("age < 18");

            oql(person.age.atLeast(18)).is("age >= 18");
            oql(person.age.greaterThan(18)).is("age > 18");
            oql(person.age.between(18, 21)).is("(age >= 18) AND (age <= 21)");
        }
No bind variables. Raw OQL literals {@code true}, {@code 'foobar'}.
criteria/geode/test/org/immutables/criteria/geode/GeodeQueryVisitorTest.java