@Test
    public void testMucPrivateMessageReceived() throws Exception
    {
        // Setup test fixture.
        final Message input = new Message();
        input.setTo(new JID("user", Fixtures.XMPP_DOMAIN, "resource"));
        input.setFrom("room@domain/nick");
        input.setType(Message.Type.chat);
        input.setBody("test");
        input.getElement().addElement("x", "http://jabber.org/protocol/muc#user");

        // Execute system under test.
        final boolean result = Forwarded.isEligibleForCarbonsDelivery(input);

        // Verify results.
        assertFalse(result);
    }
A private <message/> from a MUC participant (received from a full JID) to a local user SHOULD NOT be
carbon-copied (these messages are already replicated by the MUC service to all joined client instances).
xmppserver/src/test/java/org/jivesoftware/openfire/forward/ForwardedTest.java