ffer%2Cint%2CFuture%5Bvoid%5D"><span class="Identifier">fillBuffer</span></a><span class="Other">(</span><span class="Identifier">self</span><span class="Other">:</span> <a href="asynciochilds.html#AsyncBuffer"><span class="Identifier">AsyncBuffer</span></a><span class="Other">;</span> <span class="Identifier">count</span><span class="Other">:</span> <span class="Identifier">int</span> <span class="Other">=</span> <span class="DecNumber">0</span><span class="Other">;</span> <span class="Identifier">cancelFu