code: @Override
      public void nodeName(int index, String nodeName) throws OperationFormatException {
  
          assertValidNodeName(nodeName);
          validatedNodeName(index, nodeName);
      }
docs: /* (non-Javadoc)
  @see org.jboss.as.cli.operation.OperationParser.CallbackHandler#nodeName(java.lang.String)