"><a href="../file_tree_view/FoldableDirectoryTree/fileIconBuilder.html">fileIconBuilder</a></span>
  <span class="signature">&#8594; <a href="https://api.flutter.dev/flutter/widgets/Widget-class.html">Widget</a> Function<span class="signature">(<span class="parameter" id="param-fileExtension"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/String-class.html">String</a></span> <span class="parameter-name">fileExtension</span></span>)</span>?</span>
  

</dt>
<dd>
  
  <div c