ss="callables">
        <dt id="drain" class="callable">
          <span class="name"><a href="../dart-ui/ChannelBuffers/drain.html">drain</a></span><span class="signature">(<wbr><span class="parameter" id="drain-param-channel"><span class="type-annotation"><a href="../dart-core/String-class.html">String</a></span> <span class="parameter-name">channel</span>, </span><wbr><span class="parameter" id="drain-param-callback"><span class="type-annotation"><a href="../dart-ui/DrainChannelCallback.html">DrainChanne