unselectMailbox method
Closes the currently selected mailbox without triggering the expunge events.
Compare selectMailbox
Implementation
Future<void> unselectMailbox() {
if (_selectedMailbox == null) {
return Future.value();
}
final cmd = Command('UNSELECT');
final parser = NoResponseParser(_selectedMailbox);
_selectedMailbox = null;
return sendCommand(cmd, parser);
}