type google.golang.org/grpc.streamKey

3 uses

	google.golang.org/grpc (current package)
		server.go#L1894: type streamKey struct{}
		server.go#L1904: 	return context.WithValue(ctx, streamKey{}, stream)
		server.go#L1934: 	s, _ := ctx.Value(streamKey{}).(ServerTransportStream)