loper.android.com/reference/java/util/concurrent/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>fallbackFactory</code> - A <a href="../../upstream/HttpDataSource.Factory.html" title="interface in com.google.android.exoplayer2.upstream"><code>HttpDataSource.Factory</code></a> which is used as a fallback in case no
     suitable CronetEngine can be build.</dd>
</dl>
</li>
</ul>
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