>&gt;</span></span> <span class="parameter-name">dropColors</span> = <span class="default-value">const [Colors.greenAccent]</span>, </span></li>
<li><span class="parameter" id="-param-trailStartFraction"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/double-class.html">double</a></span> <span class="parameter-name">trailStartFraction</span> = <span class="default-value">0.3</span>, </span></li>
<li><span class="parameter" id="-param-distanceBetweenLayers"><span class="type-