type definition and serialize/deserialize implementation

Guava is a suite of core and expanded libraries that include

Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

General data-binding functionality for Jackson: works on core streaming API

Annotations the SpotBugs tool supports

The AspectJ runtime is a small library necessary to run Java programs enhanced by AspectJ aspects during a previous

JUnit Jupiter is the API for writing tests using JUnit 5.