getJsonFlag method
Fetches the value of a feature flag as JSON.
Implementation
@override
Future<Map<String, dynamic>> getJsonFlag(
String flagKey, {
Map<String, dynamic> defaultValue = const {},
Map<String, dynamic>? context,
}) async {
final result = await evaluateFlag(flagKey, context: context);
return result.value as Map<String, dynamic>? ?? defaultValue;
}