I think this is actually:
x => 3.33 and x < 3.34
In sleep mode it is:
Restriction.between("field", 3.33, 3.34)
(min <= expr AND expr <= max). , 3.33. (: , , 3.34 3.33999.... , nextAfter .)
Restriction.between("field", 3.33, Math.nextAfter(3.34, -Double.MAX_VALUE));