func github.com/golang/protobuf/ptypes.DurationProto

2 uses

	github.com/golang/protobuf/ptypes (current package)
		duration.go#L46: func DurationProto(d time.Duration) *durationpb.Duration {

	google.golang.org/grpc/internal/binarylog
		method_logger.go#L171: 		clientHeader.Timeout = ptypes.DurationProto(c.Timeout)