anchor.diff:        calloc.free(readBuffer);
         incomingStreamController.close();
       }, onError: (error, stackTrace) {
  -      log(
  -          'bicronet_grpc: CronetGrpcTransportStream native stream received error: $error $stackTrace');
  +      log('bicronet_grpc: CronetGrpcTransportStream native stream received error: $error $stackTrace');
       });
   
       stream = engine.ffilibGrpcCronetBindings.CreateStreamWithCallbackPort(
  
positive.code:           //    const bidirectional_stream_header_array* headers,
            //    const char* negotiated_protocol
            //  )
            log(
                'bicronet_grpc:   negotiated_protocol: ${ffi.Pointer.fromAddress(arguments[2]).cast<Utf8>().toDartString()}');
  
            final headerArray = ffi.Pointer.fromAddress(arguments[1])
                .cast<grpc_support.bidirectional_stream_header_array>();
  
negative.code:         _trustedCertificate == null ? 0 : _trustedCertificate!.length;
      ffi.Pointer<ffi.UnsignedChar> certificateBuffer =
          calloc(certificateBufferLength);
      log('certificateBuffer: $certificateBuffer, ${calloc<ffi.UnsignedChar>(0)}');
      try {
        if (certificateBufferLength > 0) {
          certificateBuffer
  