ameter" id="reduce-param-combine"><span class="type-annotation"><a href="../dart-core/int-class.html">int</a></span> <span class="parameter-name">combine</span>(<span class="parameter" id="param-previousValue"><span class="type-annotation"><a href="../dart-core/int-class.html">int</a></span> <span class="parameter-name">previousValue</span>, </span><wbr><span class="parameter" id="param-element"><span class="type-annotation"><a href="../dart-core/int-class.html">int</a></span> <span class="parameter-name">e