* This method tests whether or not a given <code>Principal</code> is a
* member of this group.
*
- * @param user The <code>Principal</code> to test for membership
+ * @param member The <code>Principal</code> to test for membership
*
* @return <code>true</code> if the user is member, <code>false</code> otherwise
*/
*
* @return The list of all members of the group
*/
- Enumeration members();
+ Enumeration<? extends Principal> members();
}