public static class IMAPMessage
extends java.lang.Object
An IMAPMessage object starts out as a light-weight object. It gets filled-in incrementally when a request is made for some item. Or when a prefetch is done using the FetchProfile.
An IMAPMessage has a messageNumber and a sequenceNumber. The messageNumber is its index into its containing folder's messageCache. The sequenceNumber is its IMAP sequence-number.