st</code></a> subclasses. We do not use <code>#equals(Object)</code> directly because we track
 <a href="../../../../com/bumptech/glide/request/Request.html" title="interface in com.bumptech.glide.request"><code>Request</code></a>s in collections like <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util"><code>Set</code></a> and it's perfectly legitimate to
 have two different <a href="../../../../com/bumptech/glide/request/Request.htm