current/Executor.html" title="class or interface in java.util.concurrent" class="externalLink" target="_top"><code>Executor</code></a> that will perform the requests.</dd>
<dd><code>transferListener</code> - An optional listener.</dd>
<dd><code>userAgent</code> - The user agent that will be used by the fallback <a href="../../upstream/HttpDataSource.html" title="interface in com.google.android.exoplayer2.upstream"><code>HttpDataSource</code></a> if
     needed, or <code>null</code> for the fallback to use t