the output.</p>
<p>Behaviour while writing after calling this method is unspecified.</p></div></div><div class="field "><a name="flush"></a><h3 class="anchor"><code><a href="#flush"><span class="identifier">flush</span></a> ():<a class="type" title="The standard Void type." href="../../Void.html">Void</a></code></h3><div class="doc"><p>Flush any buffered data.</p></div></div><div class="field "><a name="prepare"></a><h3 class="anchor"><code><a href="#prepare"><span class="identifier">prepare</span></a> (<sp