Retrieves and sets the authentication cache timeout from a cluster.
Long timeout getAuthenticationCacheTimeout () throws SUPAdminException; void setAuthenticationCacheTimeout(user, timeout);
If successful, returns an object of the specified type (can be null). If unsuccessful, returns SUPAdminException.
Long timeout = supCluster.getAuthenticationCacheTimeout("admin");
supCluster.setAuthenticationCacheTimeout("admin", 200L);
timeout = supCluster.getAuthenticationCacheTimeout("admin");
assertEquals(new Long(200), timeout);