code: public List<BookmarkedConference> getBookmarkedConferences() throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
          retrieveBookmarks();
          return Collections.unmodifiableList(bookmarks.getBookmarkedConferences());
      }
docs: Returns all currently bookmarked conferences.
  
  @return returns all currently bookmarked conferences
  @throws XMPPErrorException
  @throws NoResponseException
  @throws NotConnectedException
  @throws InterruptedException
  @see BookmarkedConference