What structure does aerospike use to handle events?

Cassandra uses seda structure What structure does aerospike use?

I found this discussion on SEDA at CASSANDRA-10989 links to the SEDA paper and a retrospective on SEDA.

The closest example for such a document for Aerospike that I could find is section 4 of ‘Aerospike: Architecture of a Real - Time Operational DBMS’.