type google.golang.org/grpc/metadata.mdIncomingKey

4 uses

	google.golang.org/grpc/metadata (current package)
		metadata.go#L159: type mdIncomingKey struct{}
		metadata.go#L165: 	return context.WithValue(ctx, mdIncomingKey{}, md)
		metadata.go#L198: 	md, ok := ctx.Value(mdIncomingKey{}).(MD)
		metadata.go#L217: 	md, ok := ctx.Value(mdIncomingKey{}).(MD)