code: @SuppressWarnings("unchecked")
      public <T> T getBeforeAdviceResult(String aspectId) {
          return (aspectAdviceResult != null ? (T)aspectAdviceResult.getBeforeAdviceResult(aspectId) : null);
      }
docs: Gets the before advice result.
  
  @param <T> the generic type
  @param aspectId the aspect id
  @return the before advice result