 HREF="../net/sf/kernow/internal/Cancellable.html" title="interface in net.sf.kernow.internal"><B>Cancellable</B></A> - Interface in <A HREF="../net/sf/kernow/internal/package-summary.html">net.sf.kernow.internal</A><DD>&nbsp;<DT><A HREF="../net/sf/kernow/internal/CancelObserver.html" title="interface in net.sf.kernow.internal"><B>CancelObserver</B></A> - Interface in <A HREF="../net/sf/kernow/internal/package-summary.html">net.sf.kernow.internal</A><DD>&nbsp;<DT><A HREF="../net/sf/kernow/internal/CancelObs