toJson method
Converts the PowerGeoJSONFeatureCollection instance to a JSON string.
Returns a JSON string representation of the PowerGeoJSONFeatureCollection.
Implementation
String toJson() => json.encode(toMap());
Converts the PowerGeoJSONFeatureCollection instance to a JSON string.
Returns a JSON string representation of the PowerGeoJSONFeatureCollection.
String toJson() => json.encode(toMap());