 class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">readExternal</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/ObjectInput.html" title="class or interface in java.io" class="external-link">ObjectInput</a>&nbsp;in)</span>
                  throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or inte