Method close

app/src/main/java/com/sun/mail/imap/IMAPFolder.java:1477–1480

Close this folder.

(boolean expunge)

     * Close this folder.
     */
    @Override
    public synchronized void close(boolean expunge) throws MessagingException {
	close(expunge, false);
    }

    /**
     * Close this folder without waiting for the server.