hainReader%2Cvarargs%5BAsyncIoBase%5D"><span class="Identifier">addReader</span></a><span class="Other">(</span><span class="Identifier">self</span><span class="Other">:</span> <a href="asynciochilds.html#AsyncChainReader"><span class="Identifier">AsyncChainReader</span></a><span class="Other">;</span> <span class="Identifier">readers</span><span class="Other">:</span> <span class="Identifier">varargs</span><span class="Other">[</span><a href="asynciobase.html#AsyncIoBase"><span class="Identifier">AsyncIoBa