public <T extends BaseRequest<T, R>, R extends BaseResponse> R execute(BaseRequest<T, R> request) {
        return api.send(request);
    }
@Test
    public void getForumTopicIconStickers() {
        List<Sticker> stickers = bot.execute(new GetForumTopicIconStickers()).stickers();
        assertFalse(stickers.isEmpty());
    }