/*package*/ List<SNode> getOverriddenMethods(SNode method) {
   ClassifierAndSuperClassifiersCache.MethodsDataSet dataSet =
       (ClassifierAndSuperClassifiersCache.MethodsDataSet)
           this.getDataSet(
               ClassifierAndSuperClassifiersCache.MethodsDataSet.ID, METHODS_CACHE_CREATOR);
   return dataSet.getOverriddenMethods(method);
 }
 /*package*/ List<SNode> getMethodsByName(String methodName) {
   ClassifierAndSuperClassifiersCache.MethodsDataSet dataSet =
       (ClassifierAndSuperClassifiersCache.MethodsDataSet)
           this.getDataSet(
               ClassifierAndSuperClassifiersCache.MethodsDataSet.ID, METHODS_CACHE_CREATOR);
   List<SNode> methods = dataSet.getMethodsByName(methodName);
   if (methods == null) {
     return new ArrayList<SNode>();
   }
   return methods;
 }