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<div class="block">The <a href="../upstream/DataSpec.html" title="class in com.google.android.exoplayer2.upstream"><code>DataSpec</code></a> associated with the request.</div>
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<td class="colFirst"><code><a href="https://developer.android.com/reference/java/util/Map.html" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="https://developer.android.com/reference/java/lang/String.html?is-external=true" title="class or interface in java