security/MessageDigest.html?is-external=true" title="class or interface in java.security"><code>MessageDigest</code></a> in
 <a href="../../../../com/bumptech/glide/signature/ObjectKey.html#updateDiskCacheKey-java.security.MessageDigest-"><code>updateDiskCacheKey(java.security.MessageDigest)</code></a>.

 <p>The Object's <a href="../../../../com/bumptech/glide/signature/ObjectKey.html#toString--"><code>toString()</code></a> method must be unique and suitable for use as a disk cache
 key.</p></div>
</li>
</u