Unify on List.of

1 files changed, 1 insertions, 4 deletions

diff --git a/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/prometheus/PrometheusUtil.java b/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/prometheus/PrometheusUtil.java
index 973e1adb96d..d7436ccf404 100644
--- a/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/prometheus/PrometheusUtil.java
+++ b/metrics-proxy/src/main/java/ai/vespa/metricsproxy/metric/model/prometheus/PrometheusUtil.java
@@ -13,9 +13,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
 
-import static java.util.Collections.emptyList;
-import static java.util.Collections.singletonList;
-
 /**
  * @author yj-jtakagi
  * @author gjoranv
@@ -62,7 +59,7 @@ public class PrometheusUtil {
                 var statusMetricName = serviceName + "_status";
                 // MetricsPacket status 0 means OK, but it's the opposite in Prometheus.
                 var statusMetricValue = (firstPacket.statusCode == 0) ? 1 : 0;
-                var sampleList = singletonList(new Sample(statusMetricName, emptyList(), emptyList(),
+                var sampleList = List.of(new Sample(statusMetricName, List.of(), List.of(),
                         statusMetricValue, firstPacket.timestamp * 1000));
                 metricFamilySamples.add(new MetricFamilySamples(statusMetricName, Collector.Type.UNKNOWN, "status of service", sampleList));
             }