iver</a></small></h4>    <span class="label label-meta label-meta-directlyUsed" title="Marks types that are directly referenced by non-extern code.">@:directlyUsed</span></div><div class="body"><div class="doc doc-main"><p></p></div><h3 class="section">Static methods</h3><div class="fields"><div class="field "><a name="debug"></a><h3 class="anchor"><code><span class="label label-static">static</span><a href="#debug"><span class="identifier">debug</span></a>(<span style="white-space:nowrap">f:()&nbsp;&#8209;