content">
      <div><h1><span class="kind-method">ping</span> method</h1></div>

    <section class="multi-line-signature">
      <span class="returntype">void</span>
            <span class="name ">ping</span>
(<wbr><span class="parameter" id="ping-param-responsePort"><span class="type-annotation"><a href="dart-isolate/SendPort-class.html">SendPort</a></span> <span class="parameter-name">responsePort</span>, {</span> <span class="parameter" id="ping-param-response"><span class="type-annotation"><a href="d