toJson method
Implementation
Map toJson() {
Map _result = {};
if (faceIndex != null) _result.addAll({"faceIndex": faceIndex});
_result.addAll({"landmarks": landmarks});
if (faceRect != null) _result.addAll({"faceRect": faceRect});
if (rotationAngle != null) _result.addAll({"rotationAngle": rotationAngle});
if (thumbnail != null) _result.addAll({"thumbnail": thumbnail});
return _result;
}