anchor.diff:  The return value of `isExternalRedelivered` was changed from `Boolean` to `boolean`.
   
   Some of the advanced and API for component developers on `Exchange` has been moved to an extended interface `ExtendedExchange`.
  -The following methods has been moved:
  +The following methods have been moved:
   
   - setFromEndpoint
   - setFromRouteId
  
positive.code: 
  ==== UnitOfWork
  
  For advanced Camel users whom implement custom `UnitOfWork` should implement the new `isBeforeAfterProcess()' method and return true of false,
  whether Camel should invoke the before and after processor methods.
  
  The method `getId` has been removed.
  
negative.code: 
  ==== Internal API changes
  
  Removed the method `getProcessors` from `Pipeline` as you should use the `next` method instead to access a read-only view of the processors.
  
  ==== @Experimental
  
  