brokerCall method

Implementation

@override
Future<Map<String, Object?>> brokerCall(
  String authority,
  String method,
  Map<String, Object?> arguments,
) async {
  final result = await methodChannel.invokeMapMethod<String, Object?>(
    'brokerCall',
    {'authority': authority, 'method': method, 'arguments': arguments},
  );
  return result ?? const {};
}