lass="comment"></span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">   * The value for #m_native_handle such that `null() == true`; else it is `false`.</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">   * No valid handle ever equals this.</span></d