e: Element</code></div></div><div id="startIndex-04d77ddd9c9389cc56939726d3da8089" class="declaration"><a class="toggle-link" href="#comment-startIndex-04d77ddd9c9389cc56939726d3da8089">var startIndex</a> <span class="required">Required</span><div class="comment collapse in" id="comment-startIndex-04d77ddd9c9389cc56939726d3da8089"><p>The position of the first element in a nonempty collection.</p>
<p>In a <code>Repeated</code> collection, <code>startIndex</code> is always equal to zero. If the
collection is 