edirect response should be redirected to the new request.</p>

<p>The <code>completion</code> closure should be passed one of three possible options:</p>

<ol>
<li>The new request specified by the redirect (this is the most common use case).</li>
<li>A modified version of the new request (you may want to route it somewhere else).</li>
<li>A <code>nil</code> value to deny the redirect request and return the body of the redirect response.</li>
</ol>

                      </div>
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