I found a typo in chapter 5.4.1. RESTEasy Deprecated Classes:

"The org.jboss.resteasy.spi.interception.PreProcessorInterceptor interface is replaced by the javax.ws.rs.container.ContainerRequestFilter interface in RESTEasy 3.x." – speaks about "PreProcessorInterceptor", which doesn't exist, it's "PreProcessInterceptor" (the URL is correct, though, just the text of the link is wrong).