package javax.mail; public interface UIDFolder { public static final long LASTUID = -1L; long getUIDValidity() throws MessagingException; Message getMessageByUID(long paramLong) throws MessagingException; Message[] getMessagesByUID(long paramLong1, long paramLong2) throws MessagingException; Message[] getMessagesByUID(long[] paramArrayOflong) throws MessagingException; long getUID(Message paramMessage) throws MessagingException; public static class FetchProfileItem extends FetchProfile.Item { protected FetchProfileItem(String name) { super(name); } public static final FetchProfileItem UID = new FetchProfileItem("UID"); } }