Method seqnumOf

app/src/main/java/com/sun/mail/imap/MessageCache.java:423–432

Return the sequence number for the given message number. @param msgnum the message number @return the sequence number

(int msgnum)

     * @return		the sequence number
     */
    public int seqnumOf(int msgnum) {
	if (seqnums == null)
	    return msgnum;
	else {
	    if (logger.isLoggable(Level.FINE))
		logger.fine("msgnum " + msgnum + " is seqnum " +
			    seqnums[msgnum-1]);
	    return seqnums[msgnum-1];
	}
    }

    /**
     * Return the message number for the given sequence number.