ion">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>Writes the appended body parts into the given file URL.</p>

<p>This process is facilitated by reading and writing with input and output streams, respectively. Thus,
this approach is very memory efficient and should be used for large body part data.</p>
<div class="aside aside-throws">
    <p class="aside-title">Throws</p>
    <p>An <code><a href="../Enums/AFError.html">AFError</a>