toJson method

Implementation

@override
Map<String, dynamic> toJson() {
  return {
    '@type': 'secretChat',
    if (extra != null) '@extra': extra,
    'id': id,
    'user_id': user_id,
    'state': state,
    'is_outbound': is_outbound,
    'key_hash': key_hash,
    'layer': layer
  };
}