int count = cmodel.getConversationCount(null);
int count = cmodel.getConversationCount();
    public void reload(String description) {        ConversationID id = null;        try {            String expr = _model.getSearchExpression(description);            ConversationModel cmodel = _frameworkModel.getConversationModel();            int count = cmodel.getConversationCount(null);            for (int i=0; i<count; i++) {                id = cmodel.getConversationAt(null, i);                Request request = cmodel.getRequest(id);                Response response = cmodel.getResponse(id);                String origin = cmodel.getConversationOrigin(id);                boolean matches = matches(id, request, response, origin, expr);                _model.setSearchMatch(id, description, matches);            }        } catch (Exception e) {            _logger.warning("Evaluation error for conversation " + id + " : " + e.getMessage());        }    }