public void addOldMessages(@Nonnull final List<Message> oldMessages) {
        addOldMessages(oldMessages.toArray(new Message[0]));
    }
Add message(s) to the history of the chat room.

The messages will likely come from the database when loading the room history from the database.
@param oldMessages The messages to add to the history
xmppserver/src/main/java/org/jivesoftware/openfire/muc/MUCRoomHistory.java