code: protected <I extends AdminToolValidationInterceptor<O>> void intercept(List<I> interceptors, O user, Set<ATError> errors) {
  		if (!CollectionUtils.isEmpty(interceptors)) {
  			 for (AdminToolValidationInterceptor<O> interceptor : interceptors) {
  				 LOGGER.trace("calling validation interceptor's validate for: " + interceptor.getClass());
  				 interceptor.validate(user, errors, this);
  			}
  		 }
  	}
docs: calls the validate method on interceptors if not empty
  
  @param interceptors
  @param user
  @param errors