-name">initialValue</span>, </span> <span class="parameter" id="fold-param-combine"><span class="type-annotation">T</span> <span class="parameter-name">combine</span>(<span class="parameter" id="param-previousValue"><span class="type-annotation">T</span> <span class="parameter-name">previousValue</span>, </span> <span class="parameter" id="param-element"><span class="type-annotation"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">element</span></span>)</span>)
            <sp