="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;            <span class="comment">// Doing this in bulk up front also let&#39;s us avoid the expensive </span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;            <span class="comment">// cache synchronization of XADD per added child.</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160; </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70<