docs: public static Reference createAmbiguousReference
                      (String simpleBindingName,
                       J2EEName j2eeName)
      {
          String message = "The simple-binding-name '" + simpleBindingName +
                           "' for bean " + j2eeName + " is ambiguous because the bean " +
                           "implements multiple interfaces.  Provide an interface specific " +
                           "binding or add #<interface> to the simple-binding-name on lookup.";
  
          StringRefAddr refAddr = new StringRefAddr(ADDR_TYPE, message);
          Reference ref = new Reference(ADDR_TYPE, refAddr,
                          AMBIGUOUS_FACTORY_NAME, null);
          return ref;
      }