<a href="https://api.flutter.dev/flutter/dart-core/int-class.html">int</a></span> <span class="parameter-name">numberOfLayers</span> = <span class="default-value">3</span>, </span></li>
<li><span class="parameter" id="-param-dropHeight"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/double-class.html">double</a></span> <span class="parameter-name">dropHeight</span> = <span class="default-value">20</span>, </span></li>
<li><span class="parameter" id="-param-dropWidth"><span 