this.eventQueue = new ArrayBlockingQueue<>(queueSize);
        Thread updater = new Thread(this::feedConsumer);
        updater.setDaemon(true);
        updater.start();
    }

    public TransferListener getDelegate() {
        return delegate;
    }

    private void feedConsumer() {
        final ArrayList<Exchange> batch = new ArrayList<>(batchMaxSize);
        try {
            while (true) {