toJson method
Implementation
Map toJson(){
Map _result = {};
if (count != null) _result.addAll({"count": count});
if (result != null) _result.addAll({"result": result});
_result.addAll({"imageQualityList": imageQualityList});
if (pageIndex != null) _result.addAll({"pageIndex": pageIndex});
return _result;
}