de></a> implementation to use when retrieving
 <a href="../../../com/bumptech/glide/load/engine/Resource.html" title="interface in com.bumptech.glide.load.engine"><code>Resource</code></a>s that are currently in cache.

 <p> Any implementation must order requests based on their <a href="../../../com/bumptech/glide/Priority.html" title="enum in com.bumptech.glide"><code>Priority</code></a>
 for thumbnail requests to work properly.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>serv