code: @Override
    public void _LocalPeer_setRealm(String realm) throws MBeanException {
      getMutableConfiguration().setStringValue(OwnRealm.ordinal(), realm);
  
      if (logger.isInfoEnabled()) {
        logger.info("Local Peer Realm successfully changed to '" + realm + "'. Restart to Diameter stack is needed to apply changes.");
      }
    }
docs: /*
  (non-Javadoc)
  @see org.mobicents.diameter.stack.DiameterStackMultiplexerMBean#_LocalPeer_setRealm(java.lang.String)