close method
Releases resources used by this recognizer.
Implementation
Future<void> close() {
if (!_hasBeenOpened) _isClosed = true;
if (_isClosed) return Future<void>.value();
_isClosed = true;
return GoogleVision.channel.invokeMethod<void>(
'TextRecognizer#close',
<String, dynamic>{'handle': _handle},
);
}