encode method

@override Future<Map<String, dynamic>> encode(dynamic content)

Implementation

@override
Future<Map<String, dynamic>> encode(dynamic content) async {
  if (content is! String) {
    throw FormatException('Content must be String, got ${content.runtimeType}');
  }
  return {
    'content': Uint8List.fromList(utf8.encode(content)),
    'parameters': {'encoding': 'UTF-8'},
  };
}