 class="parameter-name">newValue</span>, </span><wbr><span class="parameter" id="initMutationEvent-param-attrName"><span class="type-annotation"><a href="../dart-core/String-class.html">String</a></span> <span class="parameter-name">attrName</span>, </span><wbr><span class="parameter" id="initMutationEvent-param-attrChange"><span class="type-annotation"><a href="../dart-core/int-class.html">int</a></span> <span class="parameter-name">attrChange</span></span><wbr>)
            <span class="returntype paramet