toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (argument != null) 'argument': argument!,
if (code != null) 'code': code!,
if (debugInfo != null) 'debugInfo': debugInfo!,
if (domain != null) 'domain': domain!,
if (externalErrorMessage != null)
'externalErrorMessage': externalErrorMessage!,
if (location != null) 'location': location!,
if (locationType != null) 'locationType': locationType!,
};