toMap method
Converts Basic Event to map
Implementation
@override
Map<String, dynamic> toMap() {
  return super.toMap()
    ..addAll(
      {
        CharacteristicsKeys.hasRequest: _hasRequest,
        Http.requestMethod: httpRequestMethod,
        Http.networkProtocolName: networkProtocolName,
        Http.spanId: spanId,
        Http.traceId: traceId,
        Http.urlFull: urlFull,
      },
    );
}