Fix compile error after merge

Author: felixbarny

x-pack/plugin/otel-data/src/main/java/org/elasticsearch/xpack/oteldata/otlp/docbuilder/MappingHints.java

@@ -27,11 +27,13 @@
  *                              In these cases, the behavior is undefined but does not lead to data loss.
  */
 public record MappingHints(boolean aggregateMetricDouble, boolean docCount) {
-    private static final String MAPPING_HINTS = "elasticsearch.mapping.hints";
-    private static final MappingHints EMPTY = new MappingHints(false, false);
+
+    public static final String MAPPING_HINTS = "elasticsearch.mapping.hints";
     public static final String AGGREGATE_METRIC_DOUBLE = "aggregate_metric_double";
     public static final String DOC_COUNT = "_doc_count";
 
+    private static final MappingHints EMPTY = new MappingHints(false, false);
+
     public static MappingHints fromAttributes(List<KeyValue> attributes) {
         boolean aggregateMetricDouble = false;
         boolean docCount = false;

x-pack/plugin/otel-data/src/test/java/org/elasticsearch/xpack/oteldata/otlp/docbuilder/MetricDocumentBuilderTests.java

@@ -214,7 +214,7 @@ public void testExponentialHistogram() throws Exception {
             null,
             List.of(),
             "",
-            "metrics-generic.otel-default"
+            TargetIndex.defaultMetrics()
         );
         dataPointGroup.addDataPoint(
             Set.of(),
@@ -250,7 +250,7 @@ public void testExponentialHistogramAsAggregateMetricDouble() throws Exception {
             null,
             List.of(),
             "",
-            "metrics-generic.otel-default"
+            TargetIndex.defaultMetrics()
         );
         dataPointGroup.addDataPoint(
             Set.of(),
@@ -286,7 +286,7 @@ public void testHistogram() throws Exception {
             null,
             List.of(),
             "",
-            "metrics-generic.otel-default"
+            TargetIndex.defaultMetrics()
         );
         dataPointGroup.addDataPoint(
             Set.of(),
@@ -321,7 +321,7 @@ public void testHistogramAsAggregateMetricDouble() throws Exception {
             null,
             List.of(),
             "",
-            "metrics-generic.otel-default"
+            TargetIndex.defaultMetrics()
         );
         dataPointGroup.addDataPoint(
             Set.of(),