toJson method
Implementation
Map toJson(){
Map result = {};
if (pageIndex != null) result.addAll({"pageIndex": pageIndex});
if (sourceType != null) result.addAll({"sourceType": sourceType});
if (validity != null) result.addAll({"validity": validity});
if (probability != null) result.addAll({"probability": probability});
if (value != null) result.addAll({"value": value});
if (originalValue != null) result.addAll({"originalValue": originalValue});
if (boundRect != null) result.addAll({"boundRect": boundRect});
if (comparison != null) result.addAll({"comparison": comparison});
return result;
}