" name="l00303"></a><span class="lineno">  303</span><span class="comment">   * @param target_blob</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span><span class="comment">   *        `target_blob.data()...` shall be written to before `on_done_func()` is executed with a falsy</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span><span class="comment">   *        code, bytes numbering `N`, where `N` is passed to that cal