toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (latLng != null) 'latLng': latLng!,
if (locationType != null) 'locationType': locationType!,
if (postalAddress != null) 'postalAddress': postalAddress!,
if (radiusMiles != null) 'radiusMiles': radiusMiles!,
};