="parameter-list"><li><span class="parameter" id="postMessage-param-message"><span class="type-annotation">dynamic</span> <span class="parameter-name">message</span>, </span></li>
<li><span class="parameter" id="postMessage-param-transfer">[<span class="type-annotation"><a href="../../dart-core/List-class.html">List</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="../../dart-core/Object-class.html">Object</a></span>&gt;</span></span> <span class="parameter-name">transfer</span>]</sp