code: public void processStartOfScope(Scope scopeStarting, Iterable<Object> handlerInstances) throws Exception {
          for (Object handler : handlerInstances) {
              Handler handlerAnnotation = handler.getClass().getAnnotation(Handler.class);
              Scope handlerScope = handlerAnnotation.scope();
  
              injectResourceFieldsForScope(scopeStarting, handler, handlerScope, handlerInstances);
              runLifecycleMethods(handler, handlerScope, scopeStarting, false);
          }    
      }
docs: Scope is starting, perform the required processing on the supplied handlers.