2 # not boolean expression
3 # empty configs are not accepted by Kea
5 "valid-lifetime": 1800,
7 # use not in a reductible match if
10 /// from: match if not (option dhcp.host-name) = 'www.example.com'
11 "test": "not (option[12].hex == 'www.example.com')"
14 // # if test is a boolean too