/RunHandler.html">RunHandler</a><span class="signature">&lt;R&gt;</span></span> <span class="parameter-name">run</span>, </span> <span class="parameter" id="-param-runUnary"><span class="type-annotation"><a href="dart-async/RunUnaryHandler.html">RunUnaryHandler</a><span class="signature">&lt;R, T&gt;</span></span> <span class="parameter-name">runUnary</span>, </span> <span class="parameter" id="-param-runBinary"><span class="type-annotation"><a href="dart-async/RunBinaryHandler.html">RunBinaryHandler</a><sp