-(void) test{
  if (@available(macOS 10.12.2, *)) {
      self.automaticTextCompletionEnabled = YES;
      self.allowsCharacterPickerTouchBarItem = NO;
  }

  if (@available( macOS 10.12,*)) {
      self.automaticTextCompletionEnabled = YES;
      self.allowsCharacterPickerTouchBarItem = NO;
  }

}
