docs: @Deprecated
      public void logout(final Context context,
                         final RequestListener listener,
                         final Object state) {
          new Thread() {
              @Override public void run() {
                  try {
                      String response = fb.logoutImpl(context);
                      if (response.length() == 0 || response.equals("false")){
                          listener.onFacebookError(new FacebookError(
                                  "auth.expireSession failed"), state);
                          return;
                      }
                      listener.onComplete(response, state);
                  } catch (FileNotFoundException e) {
                      listener.onFileNotFoundException(e, state);
                  } catch (MalformedURLException e) {
                      listener.onMalformedURLException(e, state);
                  } catch (IOException e) {
                      listener.onIOException(e, state);
                  }
              }
          }.start();
      }