toJson method
Implementation
Map toJson(){
Map _result = {};
if (pa != null) _result.addAll({"pa": pa});
if (ca != null) _result.addAll({"ca": ca});
if (aa != null) _result.addAll({"aa": aa});
if (ta != null) _result.addAll({"ta": ta});
if (bac != null) _result.addAll({"bac": bac});
if (pace != null) _result.addAll({"pace": pace});
if (overallStatus != null) _result.addAll({"overallStatus": overallStatus});
return _result;
}