const google.golang.org/grpc/internal/metadata.mdKey

3 uses

	google.golang.org/grpc/internal/metadata (current package)
		metadata.go#L34: const mdKey = mdKeyType("grpc.internal.address.metadata")
		metadata.go#L66: 	md, _ := attrs.Value(mdKey).(mdValue)
		metadata.go#L75: 	addr.Attributes = addr.Attributes.WithValue(mdKey, mdValue(md))