Extract returns the correlation context and span context that another service encoded in the gRPC metadata object with Inject.

Inject injects correlation context and span context into the gRPC metadata object.

StreamClientInterceptor returns a grpc.StreamClientInterceptor suitable for use in a grpc.Dial call.

StreamServerInterceptor returns a grpc.StreamServerInterceptor suitable for use in a grpc.NewServer call.

UnaryClientInterceptor returns a grpc.UnaryClientInterceptor suitable for use in a grpc.Dial call.

UnaryServerInterceptor returns a grpc.UnaryServerInterceptor suitable for usage in a grpc.NewServer call.

GRPCStatusCodeKey is convention for numeric status code of a gRPC request.