NOT IN/ WITHIN queries should able to use secondary index

The following variations of queries not able to use secondary index.

create index ix22 on default(a);
explain select 1 from default where NOT (a IN [ 1]);
explain select 1 from default where NOT (a WITHIN [ 1]);
explain select 1 from default where a NOT WITHIN [ 1];
explain select 1 from default where a NOT IN [ 1];
{
"requestID": "b6ac5dc0-5b3b-4a79-a681-3fe324981453",
"errors": [

{ "code": 4000, "msg": "No index available on keyspace default that matches your query. Use CREATE INDEX or CREATE PRIMARY INDEX to create an index, or check that your expected index is online." }

],
"status": "fatal",
"metrics":

{ "elapsedTime": "1.36388ms", "executionTime": "1.345888ms", "resultCount": 0, "resultSize": 0, "errorCount": 1 }

}