toJson method
Implementation
Map toJson() {
Map _result = {};
if (bitmap != null) _result.addAll({"bitmap": bitmap});
if (liveness != null) _result.addAll({"liveness": liveness});
if (guid != null) _result.addAll({"guid": guid});
if (exception != null) _result.addAll({"exception": exception});
return _result;
}