>SourceTask</code>.
                        </li>
                    </ul>
                </li>
                <li><a id="upgrade_400_notable_consumer" href="#upgrade_400_notable_consumer"><b>Consumer</b></a>
                    <ul>
                        <li>The <code>poll(long)</code> method was removed from the consumer. Please use <code>poll(Duration)</code> instead. Note that there is
                            a difference in behavior between the two methods. The <code>poll(Duration)</code> meth