AbstractFeature/Interceptors in CXF 3.0

Hi,

In one of my projects I use a AbstractFeature to intercept REST calls
and short circuit some invocations. [0]

This worked in CXF 2.7.x but is ignored in CXF 3.0. What do I have to
change?

Regards,
Thorsten

PS: Sorry if I overlooked something obvious

[0]:
https://github.com/taimos/restdoc-cxf/blob/master/src/main/java/org/restdoc/cxf/RestDocFeature.java
line 82