ritten,
                      long&nbsp;contentLength,
                      boolean&nbsp;done)</pre>
<div class="block">This is called when the API upload processing.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bytesWritten</code> - bytes Written</dd>
<dd><code>contentLength</code> - content length of request body</dd>
<dd><code>done</code> - write end</dd>
</dl>
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