pan> <span class="keyword">typename</span> <span class="identifier">Ptree</span><span class="special">::</span><span class="identifier">key_type</span><span class="special">::</span><span class="identifier">value_type</span> <span class="special">&gt;</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idp124746736"></a><h2>Description</h2>
<p>Translates the property tree to XML and writes 