 href="dart-core/double-class.html">double</a></span> <span class="parameter-name">thickness</span>, </span> <span class="parameter" id="updateNode-param-rect"><span class="type-annotation"><a href="dart-ui/Rect-class.html">Rect</a></span> <span class="parameter-name">rect</span>, </span> <span class="parameter" id="updateNode-param-label"><span class="type-annotation"><a href="dart-core/String-class.html">String</a></span> <span class="parameter-name">label</span>, </span> <span class="parameter" id="updat