d="addArc-param-oval"><span class="type-annotation"><a href="dart-ui/Rect-class.html">Rect</a></span> <span class="parameter-name">oval</span>, </span> <span class="parameter" id="addArc-param-startAngle"><span class="type-annotation"><a href="dart-core/double-class.html">double</a></span> <span class="parameter-name">startAngle</span>, </span> <span class="parameter" id="addArc-param-sweepAngle"><span class="type-annotation"><a href="dart-core/double-class.html">double</a></span> <span class="parameter-nam