logout method

Implementation

Future<bool> logout() async {
  // remove current client from list
  final client = _clients.removeAt(_index);
  _index = _index > 0 ? _index - 1 : 0;
  _log.info('Remaining clients: ${_clients.length}');
  await _persistSessions();
  unawaited(
    client.logout().catchError((e) {
      _log.warning('Logout failed', e);
      return e is int;
    }),
  ); // Explicitly-ignored fire-and-forget.
  return _clients.isNotEmpty;
}