code: @SuppressWarnings("rawtypes")
    public B camundaTaskListenerClass(String eventName, Class listenerClass) {
      return camundaTaskListenerClass(eventName, listenerClass.getName());
    }
docs: Add a class based task listener with specified event name
  
  @param eventName - event names to listen to
  @param fullQualifiedClassName - a string representing a class
  @return the builder object