public static void checkLevelUpRewards(int level) throws LoginFailedException, RemoteServerException {
        LevelUpRewardsMessageOuterClass.LevelUpRewardsMessage msg = LevelUpRewardsMessageOuterClass.LevelUpRewardsMessage.newBuilder().setLevel(level).build();
        ServerRequest serverRequest = new ServerRequest(RequestTypeOuterClass.RequestType.LEVEL_UP_REWARDS, msg);
        api.getRequestHandler().sendServerRequests(serverRequest);
        LevelUpRewardsResponseOuterClass.LevelUpRewardsResponse response;
        try {
            response = LevelUpRewardsResponseOuterClass.LevelUpRewardsResponse.parseFrom(serverRequest.getData());
        } catch (InvalidProtocolBufferException e) {
            throw new RemoteServerException(e);
        }
        ItemAwardOuterClass.ItemAward item = response.getItemsAwarded();
        item.getItemId()...
        //handle responose
    }