void onConnect();
    }

    public void setScrollForDelete(final Scroll scrollForDelete) {
        this.scrollForDelete = scrollForDelete;
    }

    public void setSizeForDelete(final int sizeForDelete) {
        this.sizeForDelete = sizeForDelete;
    }

    public void setRetryInterval(final long retryInterval) {
        this.retryInterval = retryInterval;
    }