AFAIK Lombok plugs into Eclipse APIs, it doesn't use annotation processing. Read this to get some idea of what can be achieved with annotation processing: http

AFAIK Lombok plugs into Eclipse APIs, it doesn't use annotation processing. Read this to get some idea of what can be achieved with annotation processing: http://scg.unibe.ch/archive/projects/Erni08b.pdf http://scg.unibe.ch/archive/projects/Erni08b.pdf They do use so compiler API which are not stable interfaces, but even without that, you can go surprisingly far.