const google.golang.org/grpc/health/grpc_health_v1.HealthCheckResponse_SERVICE_UNKNOWN

2 uses

	google.golang.org/grpc/health/grpc_health_v1 (current package)
		health.pb.go#L47: 	HealthCheckResponse_SERVICE_UNKNOWN HealthCheckResponse_ServingStatus = 3 // Used only by the Watch method.

	google.golang.org/grpc/health
		server.go#L99: 		update <- healthpb.HealthCheckResponse_SERVICE_UNKNOWN