9"><span class="type-annotation"><a href="dart-core/Object-class.html">Object</a></span> <span class="parameter-name">arg19</span> = <span class="default-value">_hashEnd</span>, </span> <span class="parameter" id="hashValues-param-arg20"><span class="type-annotation"><a href="dart-core/Object-class.html">Object</a></span> <span class="parameter-name">arg20</span> = <span class="default-value">_hashEnd</span></span> ])
            <span class="returntype parameter">&#8594; <a href="dart-core/int-class.html">