const google.golang.org/protobuf/types/known/timestamppb.invalidUnderflow

3 uses

	google.golang.org/protobuf/types/known/timestamppb (current package)
		timestamp.pb.go#L218: 	case invalidUnderflow:
		timestamp.pb.go#L232: 	invalidUnderflow
		timestamp.pb.go#L246: 		return invalidUnderflow