B><DT>extends java.lang.Object<DT>implements <A HREF="../../../../../../org/mozilla/javascript/commonjs/module/provider/UrlConnectionExpiryCalculator.html" title="interface in org.mozilla.javascript.commonjs.module.provider">UrlConnectionExpiryCalculator</A>, java.io.Serializable</DL>
</PRE>

<P>
The default heuristic for calculating cache expiry of URL-based resources.
 It is simply configured with a default relative expiry, and each invocation
 of <A HREF="../../../../../../org/mozilla/javascript/commonjs