final File imageFile = getImageFile();
final FirebaseVisionImage visionImage = FirebaseVisionImage.fromFile(imageFile);

final List<ImageLabel> cloudLabels = await cloudLabeler.processImage(visionImage);
final List<ImageLabel> labels = await labeler.processImage(visionImage);

for (ImageLabel label in labels) {
  final String text = label.text;
  final String entityId = label.entityId;
  final double confidence = label.confidence;
}