code: public ApplicationExceptionType<AssemblyDescriptorType<T>> getOrCreateApplicationException()
     {
        List<Node> nodeList = childNode.get("application-exception");
        if (nodeList != null &&  nodeList.size() > 0)
        {
           return new ApplicationExceptionTypeImpl<AssemblyDescriptorType<T>>(this, "application-exception", childNode, nodeList.get(0));
        }
        return createApplicationException();
     }
docs: If not already created, a new <code>application-exception</code> element will be created and returned.
  Otherwise, the first existing <code>application-exception</code> element will be returned.
  @return the instance defined for the element <code>application-exception</code>