code: public static List<AnnotationResolver> getAnnotationResolvers(GeneratorContext context,
                                                                    TreeLogger logger) {
  
          // do this only the first time call
          if (null == _annotationResolversRequested) {
              // call additional AnnotationResolvers if there are some configured
              try {
                  for (String className : context.getPropertyOracle()
                      .getConfigurationProperty("org.fusesource.restygwt.annotationresolver").getValues()) {
                      logger.log(TreeLogger.INFO, "classname to resolve: " + className);
                      Class<?> clazz;
  
                      try {
                          clazz = Class.forName(className);
                      } catch (ClassNotFoundException e) {
                          throw new RuntimeException("could not resolve class " + className + " " + e.getMessage());
                      }
  
                      if (null != clazz) {
                          try {
                              logger.log(TreeLogger.INFO, "add annotationresolver: " + clazz.getName());
                              addAnnotationResolver((AnnotationResolver) clazz.newInstance());
                          } catch (InstantiationException e) {
                              throw new RuntimeException("could not instanciate class " + className + " " + e.getMessage());
                          } catch (IllegalAccessException e) {
                              throw new RuntimeException("could not access class " + className + " " + e.getMessage());
                          }
                      } else {
                          throw new RuntimeException("could not create instance for classname " + className);
                      }
                  }
              } catch (BadPropertyValueException ignored) {
                  /*
                   *  ignored since there is no
                   *
                   *  <set-configuration-property name="org.fusesource.restygwt.annotationresolver"
                   *          value="org.fusesource.restygwt.rebind.ModelChangeAnnotationResolver"/>
                   */
                  logger.log(TreeLogger.DEBUG, "no additional annotationresolvers found");
              }
          }
  
          // return a copy
          List<AnnotationResolver> ret = new ArrayList<AnnotationResolver>();
  
          ret.addAll(annotationResolvers);
          return _annotationResolversRequested = ret;
      }
docs: access all annotationresolvers that are registered
  
  @return a copy of all AnnotationResolvers