diff --git a/extensions-contrib/rabbit-stream-indexing-service/src/main/java/org/apache/druid/indexing/rabbitstream/IncrementalPublishingRabbitStreamIndexTaskRunner.java b/extensions-contrib/rabbit-stream-indexing-service/src/main/java/org/apache/druid/indexing/rabbitstream/IncrementalPublishingRabbitStreamIndexTaskRunner.java
index 32266f32e6e5..75663d23063f 100644
--- a/extensions-contrib/rabbit-stream-indexing-service/src/main/java/org/apache/druid/indexing/rabbitstream/IncrementalPublishingRabbitStreamIndexTaskRunner.java
+++ b/extensions-contrib/rabbit-stream-indexing-service/src/main/java/org/apache/druid/indexing/rabbitstream/IncrementalPublishingRabbitStreamIndexTaskRunner.java
@@ -148,9 +148,8 @@ protected TreeMap<Integer, Map<String, Long>> getCheckPointsFromContext(
       log.debug("Got checkpoints from task context[%s].", checkpointsString);
       return toolbox.getJsonMapper().readValue(
           checkpointsString,
-          new TypeReference<>()
-          {
-          });
+          new TypeReference<>() {}
+      );
     } else {
       return null;
     }
diff --git a/extensions-contrib/rabbit-stream-indexing-service/src/main/java/org/apache/druid/indexing/rabbitstream/supervisor/RabbitStreamSupervisor.java b/extensions-contrib/rabbit-stream-indexing-service/src/main/java/org/apache/druid/indexing/rabbitstream/supervisor/RabbitStreamSupervisor.java
index 23dbe14cf40f..9ce9bd331cfc 100644
--- a/extensions-contrib/rabbit-stream-indexing-service/src/main/java/org/apache/druid/indexing/rabbitstream/supervisor/RabbitStreamSupervisor.java
+++ b/extensions-contrib/rabbit-stream-indexing-service/src/main/java/org/apache/druid/indexing/rabbitstream/supervisor/RabbitStreamSupervisor.java
@@ -83,9 +83,7 @@
  */
 public class RabbitStreamSupervisor extends SeekableStreamSupervisor<String, Long, ByteEntity>
 {
-  public static final TypeReference<TreeMap<Integer, Map<String, Long>>> CHECKPOINTS_TYPE_REF = new TypeReference<>()
-  {
-  };
+  public static final TypeReference<TreeMap<Integer, Map<String, Long>>> CHECKPOINTS_TYPE_REF = new TypeReference<>() {};
 
   private static final EmittingLogger log = new EmittingLogger(RabbitStreamSupervisor.class);
   private static final Long NOT_SET = -1L;
diff --git a/extensions-core/druid-catalog/src/main/java/org/apache/druid/catalog/sync/CatalogClient.java b/extensions-core/druid-catalog/src/main/java/org/apache/druid/catalog/sync/CatalogClient.java
index 6793da30d415..21c198480908 100644
--- a/extensions-core/druid-catalog/src/main/java/org/apache/druid/catalog/sync/CatalogClient.java
+++ b/extensions-core/druid-catalog/src/main/java/org/apache/druid/catalog/sync/CatalogClient.java
@@ -59,13 +59,9 @@ public class CatalogClient implements CatalogSource
 {
   public static final String SCHEMA_SYNC_PATH = CatalogResource.ROOT_PATH + CatalogResource.SCHEMA_SYNC;
   public static final String TABLE_SYNC_PATH = CatalogResource.ROOT_PATH + CatalogResource.TABLE_SYNC;
-  private static final TypeReference<List<TableMetadata>> LIST_OF_TABLE_METADATA_TYPE = new TypeReference<>()
-  {
-  };
+  private static final TypeReference<List<TableMetadata>> LIST_OF_TABLE_METADATA_TYPE = new TypeReference<>() {};
   // Not strictly needed as a TypeReference, but doing so makes the code simpler.
-  private static final TypeReference<TableMetadata> TABLE_METADATA_TYPE = new TypeReference<>()
-  {
-  };
+  private static final TypeReference<TableMetadata> TABLE_METADATA_TYPE = new TypeReference<>() {};
 
   private final DruidLeaderClient coordClient;
   private final ObjectMapper smileMapper;
diff --git a/extensions-core/kafka-indexing-service/src/main/java/org/apache/druid/indexing/kafka/IncrementalPublishingKafkaIndexTaskRunner.java b/extensions-core/kafka-indexing-service/src/main/java/org/apache/druid/indexing/kafka/IncrementalPublishingKafkaIndexTaskRunner.java
index f98021c53ac1..b16f825308fc 100644
--- a/extensions-core/kafka-indexing-service/src/main/java/org/apache/druid/indexing/kafka/IncrementalPublishingKafkaIndexTaskRunner.java
+++ b/extensions-core/kafka-indexing-service/src/main/java/org/apache/druid/indexing/kafka/IncrementalPublishingKafkaIndexTaskRunner.java
@@ -232,9 +232,7 @@ protected TreeMap<Integer, Map<KafkaTopicPartition, Long>> getCheckPointsFromCon
       log.debug("Got checkpoints from task context[%s].", checkpointsString);
       return toolbox.getJsonMapper().readValue(
           checkpointsString,
-          new TypeReference<>()
-          {
-          }
+          new TypeReference<>() {}
       );
     } else {
       return null;
diff --git a/extensions-core/kinesis-indexing-service/src/main/java/org/apache/druid/indexing/kinesis/KinesisIndexTaskRunner.java b/extensions-core/kinesis-indexing-service/src/main/java/org/apache/druid/indexing/kinesis/KinesisIndexTaskRunner.java
index 9c850048cfb0..dfca894d2819 100644
--- a/extensions-core/kinesis-indexing-service/src/main/java/org/apache/druid/indexing/kinesis/KinesisIndexTaskRunner.java
+++ b/extensions-core/kinesis-indexing-service/src/main/java/org/apache/druid/indexing/kinesis/KinesisIndexTaskRunner.java
@@ -195,9 +195,7 @@ protected TreeMap<Integer, Map<String, String>> getCheckPointsFromContext(
       log.debug("Got checkpoints from task context[%s]", checkpointsString);
       return toolbox.getJsonMapper().readValue(
           checkpointsString,
-          new TypeReference<>()
-          {
-          }
+          new TypeReference<>() {}
       );
     } else {
       return null;
diff --git a/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/indexing/TaskReportQueryListenerTest.java b/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/indexing/TaskReportQueryListenerTest.java
index 30a5892799e3..252419f7227a 100644
--- a/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/indexing/TaskReportQueryListenerTest.java
+++ b/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/indexing/TaskReportQueryListenerTest.java
@@ -114,9 +114,7 @@ public void test_taskReportDestination() throws IOException
     final TaskReport.ReportMap reportMap =
         JSON_MAPPER.readValue(
             baos.toByteArray(),
-            new TypeReference<>()
-            {
-            }
+            new TypeReference<>() {}
         );
 
     Assert.assertEquals(ImmutableSet.of("multiStageQuery", TaskContextReport.REPORT_KEY), reportMap.keySet());
@@ -185,9 +183,7 @@ public void test_durableDestination() throws IOException
     final TaskReport.ReportMap reportMap =
         JSON_MAPPER.readValue(
             baos.toByteArray(),
-            new TypeReference<>()
-            {
-            }
+            new TypeReference<>() {}
         );
 
     Assert.assertEquals(ImmutableSet.of("multiStageQuery", TaskContextReport.REPORT_KEY), reportMap.keySet());
diff --git a/indexing-hadoop/src/main/java/org/apache/druid/indexer/DetermineHashedPartitionsJob.java b/indexing-hadoop/src/main/java/org/apache/druid/indexer/DetermineHashedPartitionsJob.java
index 849e420889be..2328552efb7b 100644
--- a/indexing-hadoop/src/main/java/org/apache/druid/indexer/DetermineHashedPartitionsJob.java
+++ b/indexing-hadoop/src/main/java/org/apache/druid/indexer/DetermineHashedPartitionsJob.java
@@ -159,9 +159,7 @@ public boolean run()
         }
         List<Interval> intervals = HadoopDruidIndexerConfig.JSON_MAPPER.readValue(
             Utils.openInputStream(groupByJob, intervalInfoPath),
-            new TypeReference<>()
-            {
-            }
+            new TypeReference<>() {}
         );
         config.setGranularitySpec(
             new UniformGranularitySpec(
diff --git a/indexing-hadoop/src/main/java/org/apache/druid/indexer/DeterminePartitionsJob.java b/indexing-hadoop/src/main/java/org/apache/druid/indexer/DeterminePartitionsJob.java
index 73aee597ff2e..3efb6c5bec7e 100644
--- a/indexing-hadoop/src/main/java/org/apache/druid/indexer/DeterminePartitionsJob.java
+++ b/indexing-hadoop/src/main/java/org/apache/druid/indexer/DeterminePartitionsJob.java
@@ -272,9 +272,7 @@ public boolean run()
         }
         if (Utils.exists(dimSelectionJob, fileSystem, partitionInfoPath)) {
           List<ShardSpec> specs = HadoopDruidIndexerConfig.JSON_MAPPER.readValue(
-              Utils.openInputStream(dimSelectionJob, partitionInfoPath), new TypeReference<>()
-              {
-              }
+              Utils.openInputStream(dimSelectionJob, partitionInfoPath), new TypeReference<>() {}
           );
 
           List<HadoopyShardSpec> actualSpecs = Lists.newArrayListWithExpectedSize(specs.size());
diff --git a/indexing-service/src/main/java/org/apache/druid/indexing/overlord/ForkingTaskRunner.java b/indexing-service/src/main/java/org/apache/druid/indexing/overlord/ForkingTaskRunner.java
index b163adc2f751..18bde7027151 100644
--- a/indexing-service/src/main/java/org/apache/druid/indexing/overlord/ForkingTaskRunner.java
+++ b/indexing-service/src/main/java/org/apache/druid/indexing/overlord/ForkingTaskRunner.java
@@ -274,9 +274,7 @@ public TaskStatus call()
                           try {
                             List<String> taskJavaOptsArray = jsonMapper.convertValue(
                                 task.getContextValue(ForkingTaskRunnerConfig.JAVA_OPTS_ARRAY_PROPERTY),
-                                new TypeReference<>()
-                                {
-                                }
+                                new TypeReference<>() {}
                             );
                             if (taskJavaOptsArray != null) {
                               command.addAll(taskJavaOptsArray);
diff --git a/indexing-service/src/main/java/org/apache/druid/indexing/overlord/hrtr/WorkerHolder.java b/indexing-service/src/main/java/org/apache/druid/indexing/overlord/hrtr/WorkerHolder.java
index 1212b9236d45..9d177c654109 100644
--- a/indexing-service/src/main/java/org/apache/druid/indexing/overlord/hrtr/WorkerHolder.java
+++ b/indexing-service/src/main/java/org/apache/druid/indexing/overlord/hrtr/WorkerHolder.java
@@ -62,9 +62,7 @@ public class WorkerHolder
 {
   private static final EmittingLogger log = new EmittingLogger(WorkerHolder.class);
 
-  public static final TypeReference<ChangeRequestsSnapshot<WorkerHistoryItem>> WORKER_SYNC_RESP_TYPE_REF = new TypeReference<>()
-  {
-  };
+  public static final TypeReference<ChangeRequestsSnapshot<WorkerHistoryItem>> WORKER_SYNC_RESP_TYPE_REF = new TypeReference<>() {};
 
 
   private final Worker worker;
diff --git a/integration-tests/src/main/java/org/apache/druid/testing/clients/AbstractQueryResourceTestClient.java b/integration-tests/src/main/java/org/apache/druid/testing/clients/AbstractQueryResourceTestClient.java
index 9c0e242c5517..18a8affeac7a 100644
--- a/integration-tests/src/main/java/org/apache/druid/testing/clients/AbstractQueryResourceTestClient.java
+++ b/integration-tests/src/main/java/org/apache/druid/testing/clients/AbstractQueryResourceTestClient.java
@@ -99,9 +99,7 @@ public byte[] encode(Object content) throws IOException
     @Override
     public List<Map<String, Object>> decode(byte[] content) throws IOException
     {
-      return om.readValue(content, new TypeReference<>()
-      {
-      });
+      return om.readValue(content, new TypeReference<>() {});
     }
   }
 
diff --git a/integration-tests/src/main/java/org/apache/druid/testing/clients/ClientInfoResourceTestClient.java b/integration-tests/src/main/java/org/apache/druid/testing/clients/ClientInfoResourceTestClient.java
index d2706fde7402..0a54ee6e581f 100644
--- a/integration-tests/src/main/java/org/apache/druid/testing/clients/ClientInfoResourceTestClient.java
+++ b/integration-tests/src/main/java/org/apache/druid/testing/clients/ClientInfoResourceTestClient.java
@@ -89,9 +89,7 @@ public List<String> getDimensions(String dataSource, String interval)
         );
       }
       return jsonMapper.readValue(
-          response.getContent(), new TypeReference<>()
-          {
-          }
+          response.getContent(), new TypeReference<>() {}
       );
     }
     catch (Exception e) {
diff --git a/integration-tests/src/main/java/org/apache/druid/testing/clients/CoordinatorResourceTestClient.java b/integration-tests/src/main/java/org/apache/druid/testing/clients/CoordinatorResourceTestClient.java
index ae67ad6f0c25..e82580cd312e 100644
--- a/integration-tests/src/main/java/org/apache/druid/testing/clients/CoordinatorResourceTestClient.java
+++ b/integration-tests/src/main/java/org/apache/druid/testing/clients/CoordinatorResourceTestClient.java
@@ -131,9 +131,7 @@ public List<String> getSegments(final String dataSource)
       );
 
       segments = jsonMapper.readValue(
-          response.getContent(), new TypeReference<>()
-          {
-          }
+          response.getContent(), new TypeReference<>() {}
       );
     }
     catch (Exception e) {
@@ -152,9 +150,7 @@ public List<DataSegment> getFullSegmentsMetadata(final String dataSource)
       );
 
       segments = jsonMapper.readValue(
-          response.getContent(), new TypeReference<>()
-          {
-          }
+          response.getContent(), new TypeReference<>() {}
       );
     }
     catch (Exception e) {
@@ -171,9 +167,7 @@ public List<String> getSegmentIntervals(final String dataSource)
       StatusResponseHolder response = makeRequest(HttpMethod.GET, getIntervalsURL(dataSource));
 
       segments = jsonMapper.readValue(
-          response.getContent(), new TypeReference<>()
-          {
-          }
+          response.getContent(), new TypeReference<>() {}
       );
     }
     catch (Exception e) {
@@ -189,9 +183,7 @@ public List<DataSegment> getAvailableSegments(final String dataSource)
       StatusResponseHolder response = makeRequest(HttpMethod.GET, getFullSegmentsURL(dataSource));
 
       return jsonMapper.readValue(
-          response.getContent(), new TypeReference<>()
-          {
-          }
+          response.getContent(), new TypeReference<>() {}
       );
     }
     catch (Exception e) {
@@ -222,9 +214,7 @@ private Map<String, Integer> getLoadStatus(String dataSource)
       }
 
       status = jsonMapper.readValue(
-          response.getContent(), new TypeReference<>()
-          {
-          }
+          response.getContent(), new TypeReference<>() {}
       );
     }
     catch (Exception e) {
@@ -365,9 +355,7 @@ private Map<String, Map<HostAndPort, LookupsState<LookupExtractorFactoryMapConta
 
       status = jsonMapper.readValue(
           response.getContent(),
-          new TypeReference<>()
-          {
-          }
+          new TypeReference<>() {}
       );
     }
     catch (Exception e) {
diff --git a/integration-tests/src/main/java/org/apache/druid/testing/clients/OverlordResourceTestClient.java b/integration-tests/src/main/java/org/apache/druid/testing/clients/OverlordResourceTestClient.java
index 5b4b15af7120..9b6c3ec1ef74 100644
--- a/integration-tests/src/main/java/org/apache/druid/testing/clients/OverlordResourceTestClient.java
+++ b/integration-tests/src/main/java/org/apache/druid/testing/clients/OverlordResourceTestClient.java
@@ -147,9 +147,7 @@ public TaskStatusPlus getTaskStatus(String taskID)
       LOG.debug("Index status response" + response.getContent());
       TaskStatusResponse taskStatusResponse = jsonMapper.readValue(
           response.getContent(),
-          new TypeReference<>()
-          {
-          }
+          new TypeReference<>() {}
       );
       return taskStatusResponse.getStatus();
     }
@@ -236,9 +234,7 @@ private List<TaskResponseObject> getTasks(String identifier)
         LOG.debug("Tasks %s response %s", identifier, response.getContent());
       }
       return jsonMapper.readValue(
-          response.getContent(), new TypeReference<>()
-          {
-          }
+          response.getContent(), new TypeReference<>() {}
       );
     }
     catch (Exception e) {
@@ -257,9 +253,7 @@ public TaskPayloadResponse getTaskPayload(String taskId)
         LOG.debug("Task %s response %s", taskId, response.getContent());
       }
       return jsonMapper.readValue(
-          response.getContent(), new TypeReference<>()
-          {
-          }
+          response.getContent(), new TypeReference<>() {}
       );
     }
     catch (ISE e) {
@@ -350,9 +344,7 @@ public Map<String, List<Interval>> getLockedIntervals(List<LockFilterPolicy> loc
       ).get();
       return jsonMapper.readValue(
           response.getContent(),
-          new TypeReference<>()
-          {
-          }
+          new TypeReference<>() {}
       );
     }
     catch (Exception e) {
@@ -758,9 +750,7 @@ public List<Object> getSupervisorHistory(String id)
         );
       }
       List<Object> responseData = jsonMapper.readValue(
-          response.getContent(), new TypeReference<>()
-          {
-          }
+          response.getContent(), new TypeReference<>() {}
       );
       return responseData;
     }
diff --git a/integration-tests/src/main/java/org/apache/druid/testing/utils/AbstractTestQueryHelper.java b/integration-tests/src/main/java/org/apache/druid/testing/utils/AbstractTestQueryHelper.java
index 3f6a56d967ed..673db41e7f74 100644
--- a/integration-tests/src/main/java/org/apache/druid/testing/utils/AbstractTestQueryHelper.java
+++ b/integration-tests/src/main/java/org/apache/druid/testing/utils/AbstractTestQueryHelper.java
@@ -117,9 +117,7 @@ public void testQueriesFromFile(String url, String filePath) throws Exception
     List<QueryResultType> queries =
         jsonMapper.readValue(
             TestQueryHelper.class.getResourceAsStream(filePath),
-            new TypeReference<>()
-            {
-            }
+            new TypeReference<>() {}
         );
 
     testQueries(url, queries);
@@ -131,9 +129,7 @@ public void testQueriesFromString(String url, String str) throws Exception
     List<QueryResultType> queries =
         jsonMapper.readValue(
             str,
-            new TypeReference<>()
-            {
-            }
+            new TypeReference<>() {}
         );
     testQueries(url, queries);
   }
diff --git a/integration-tests/src/main/java/org/apache/druid/testing/utils/MsqTestQueryHelper.java b/integration-tests/src/main/java/org/apache/druid/testing/utils/MsqTestQueryHelper.java
index a1c1557f8ab1..0b544244509a 100644
--- a/integration-tests/src/main/java/org/apache/druid/testing/utils/MsqTestQueryHelper.java
+++ b/integration-tests/src/main/java/org/apache/druid/testing/utils/MsqTestQueryHelper.java
@@ -269,9 +269,7 @@ public void testQueriesFromFile(String filePath, String fullDatasourcePath) thro
     List<MsqQueryWithResults> queries =
         jsonMapper.readValue(
             TestQueryHelper.class.getResourceAsStream(filePath),
-            new TypeReference<>()
-            {
-            }
+            new TypeReference<>() {}
         );
     for (MsqQueryWithResults queryWithResults : queries) {
       String queryString = queryWithResults.getQuery();
diff --git a/integration-tests/src/test/java/org/apache/druid/tests/query/ITQueryRetryTestOnMissingSegments.java b/integration-tests/src/test/java/org/apache/druid/tests/query/ITQueryRetryTestOnMissingSegments.java
index f40b50222e79..f05e5c42e6e8 100644
--- a/integration-tests/src/test/java/org/apache/druid/tests/query/ITQueryRetryTestOnMissingSegments.java
+++ b/integration-tests/src/test/java/org/apache/druid/tests/query/ITQueryRetryTestOnMissingSegments.java
@@ -154,9 +154,7 @@ private void testQueries(List<QueryWithResults> queries, Expectation expectation
 
         List<Map<String, Object>> result = jsonMapper.readValue(
             responseHolder.getContent(),
-            new TypeReference<>()
-            {
-            }
+            new TypeReference<>() {}
         );
         if (!QueryResultVerifier.compareResults(
             result,
diff --git a/processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryQueryToolChest.java b/processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryQueryToolChest.java
index c3a33e839109..b5712ebdda38 100644
--- a/processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryQueryToolChest.java
+++ b/processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryQueryToolChest.java
@@ -90,9 +90,7 @@ public class GroupByQueryQueryToolChest extends QueryToolChest<ResultRow, GroupB
   private static final byte GROUPBY_QUERY = 0x14;
   private static final TypeReference<Object> OBJECT_TYPE_REFERENCE =
       new TypeReference<>() {};
-  private static final TypeReference<ResultRow> TYPE_REFERENCE = new TypeReference<>()
-  {
-  };
+  private static final TypeReference<ResultRow> TYPE_REFERENCE = new TypeReference<>() {};
 
   private final GroupingEngine groupingEngine;
   private final GroupByQueryConfig queryConfig;
diff --git a/processing/src/main/java/org/apache/druid/query/lookup/LookupSnapshotTaker.java b/processing/src/main/java/org/apache/druid/query/lookup/LookupSnapshotTaker.java
index 5d404f5285ea..4cdd88973135 100644
--- a/processing/src/main/java/org/apache/druid/query/lookup/LookupSnapshotTaker.java
+++ b/processing/src/main/java/org/apache/druid/query/lookup/LookupSnapshotTaker.java
@@ -69,9 +69,7 @@ public synchronized List<LookupBean> pullExistingSnapshot(final String tier)
         LOGGER.warn("found empty file no lookups to load from [%s]", persistFile.getAbsolutePath());
         return Collections.emptyList();
       }
-      lookupBeanList = objectMapper.readValue(persistFile, new TypeReference<>()
-      {
-      });
+      lookupBeanList = objectMapper.readValue(persistFile, new TypeReference<>() {});
       return lookupBeanList;
     }
     catch (IOException e) {
diff --git a/processing/src/main/java/org/apache/druid/query/metadata/SegmentMetadataQueryQueryToolChest.java b/processing/src/main/java/org/apache/druid/query/metadata/SegmentMetadataQueryQueryToolChest.java
index 6e7181127797..23e583214c84 100644
--- a/processing/src/main/java/org/apache/druid/query/metadata/SegmentMetadataQueryQueryToolChest.java
+++ b/processing/src/main/java/org/apache/druid/query/metadata/SegmentMetadataQueryQueryToolChest.java
@@ -76,9 +76,7 @@
 
 public class SegmentMetadataQueryQueryToolChest extends QueryToolChest<SegmentAnalysis, SegmentMetadataQuery>
 {
-  private static final TypeReference<SegmentAnalysis> TYPE_REFERENCE = new TypeReference<>()
-  {
-  };
+  private static final TypeReference<SegmentAnalysis> TYPE_REFERENCE = new TypeReference<>() {};
   private static final byte SEGMENT_METADATA_CACHE_PREFIX = 0x4;
   private static final byte SEGMENT_METADATA_QUERY = 0x16;
   private static final Function<SegmentAnalysis, SegmentAnalysis> MERGE_TRANSFORM_FN =
diff --git a/processing/src/main/java/org/apache/druid/query/scan/ScanQueryQueryToolChest.java b/processing/src/main/java/org/apache/druid/query/scan/ScanQueryQueryToolChest.java
index 08b99d2544a0..57bbe6a49429 100644
--- a/processing/src/main/java/org/apache/druid/query/scan/ScanQueryQueryToolChest.java
+++ b/processing/src/main/java/org/apache/druid/query/scan/ScanQueryQueryToolChest.java
@@ -46,9 +46,7 @@
 
 public class ScanQueryQueryToolChest extends QueryToolChest<ScanResultValue, ScanQuery>
 {
-  private static final TypeReference<ScanResultValue> TYPE_REFERENCE = new TypeReference<>()
-  {
-  };
+  private static final TypeReference<ScanResultValue> TYPE_REFERENCE = new TypeReference<>() {};
 
   private final GenericQueryMetricsFactory queryMetricsFactory;
 
diff --git a/processing/src/main/java/org/apache/druid/query/search/SearchQueryQueryToolChest.java b/processing/src/main/java/org/apache/druid/query/search/SearchQueryQueryToolChest.java
index ee36ffaa8fc1..fba270cdcc69 100644
--- a/processing/src/main/java/org/apache/druid/query/search/SearchQueryQueryToolChest.java
+++ b/processing/src/main/java/org/apache/druid/query/search/SearchQueryQueryToolChest.java
@@ -59,12 +59,8 @@
 public class SearchQueryQueryToolChest extends QueryToolChest<Result<SearchResultValue>, SearchQuery>
 {
   private static final byte SEARCH_QUERY = 0x15;
-  private static final TypeReference<Result<SearchResultValue>> TYPE_REFERENCE = new TypeReference<>()
-  {
-  };
-  private static final TypeReference<Object> OBJECT_TYPE_REFERENCE = new TypeReference<>()
-  {
-  };
+  private static final TypeReference<Result<SearchResultValue>> TYPE_REFERENCE = new TypeReference<>() {};
+  private static final TypeReference<Object> OBJECT_TYPE_REFERENCE = new TypeReference<>() {};
 
   private final SearchQueryConfig config;
   private final SearchQueryMetricsFactory queryMetricsFactory;
diff --git a/processing/src/main/java/org/apache/druid/query/timeboundary/TimeBoundaryQueryQueryToolChest.java b/processing/src/main/java/org/apache/druid/query/timeboundary/TimeBoundaryQueryQueryToolChest.java
index 9fa82a07054c..ffa31c3cea6b 100644
--- a/processing/src/main/java/org/apache/druid/query/timeboundary/TimeBoundaryQueryQueryToolChest.java
+++ b/processing/src/main/java/org/apache/druid/query/timeboundary/TimeBoundaryQueryQueryToolChest.java
@@ -62,12 +62,8 @@ public class TimeBoundaryQueryQueryToolChest
 {
   private static final byte TIMEBOUNDARY_QUERY = 0x3;
 
-  private static final TypeReference<Result<TimeBoundaryResultValue>> TYPE_REFERENCE = new TypeReference<>()
-  {
-  };
-  private static final TypeReference<Object> OBJECT_TYPE_REFERENCE = new TypeReference<>()
-  {
-  };
+  private static final TypeReference<Result<TimeBoundaryResultValue>> TYPE_REFERENCE = new TypeReference<>() {};
+  private static final TypeReference<Object> OBJECT_TYPE_REFERENCE = new TypeReference<>() {};
 
   private final GenericQueryMetricsFactory queryMetricsFactory;
 
diff --git a/processing/src/main/java/org/apache/druid/query/topn/TopNQueryQueryToolChest.java b/processing/src/main/java/org/apache/druid/query/topn/TopNQueryQueryToolChest.java
index da859ac15923..f0d5fa586718 100644
--- a/processing/src/main/java/org/apache/druid/query/topn/TopNQueryQueryToolChest.java
+++ b/processing/src/main/java/org/apache/druid/query/topn/TopNQueryQueryToolChest.java
@@ -80,12 +80,8 @@
 public class TopNQueryQueryToolChest extends QueryToolChest<Result<TopNResultValue>, TopNQuery>
 {
   private static final byte TOPN_QUERY = 0x1;
-  private static final TypeReference<Result<TopNResultValue>> TYPE_REFERENCE = new TypeReference<>()
-  {
-  };
-  private static final TypeReference<Object> OBJECT_TYPE_REFERENCE = new TypeReference<>()
-  {
-  };
+  private static final TypeReference<Result<TopNResultValue>> TYPE_REFERENCE = new TypeReference<>() {};
+  private static final TypeReference<Object> OBJECT_TYPE_REFERENCE = new TypeReference<>() {};
 
   private final TopNQueryConfig config;
   private final TopNQueryMetricsFactory queryMetricsFactory;
diff --git a/processing/src/test/java/org/apache/druid/query/aggregation/AggregationTestHelper.java b/processing/src/test/java/org/apache/druid/query/aggregation/AggregationTestHelper.java
index e07e47028dea..81f62cb7421c 100644
--- a/processing/src/test/java/org/apache/druid/query/aggregation/AggregationTestHelper.java
+++ b/processing/src/test/java/org/apache/druid/query/aggregation/AggregationTestHelper.java
@@ -471,9 +471,7 @@ public void createIndex(
       LineIterator iter = IOUtils.lineIterator(inputDataStream, "UTF-8");
       List<AggregatorFactory> aggregatorSpecs = mapper.readValue(
           aggregators,
-          new TypeReference<>()
-          {
-          }
+          new TypeReference<>() {}
       );
 
       createIndex(
diff --git a/processing/src/test/java/org/apache/druid/query/explain/ExplainPlanTest.java b/processing/src/test/java/org/apache/druid/query/explain/ExplainPlanTest.java
index 2440a423f9e9..0273ec412851 100644
--- a/processing/src/test/java/org/apache/druid/query/explain/ExplainPlanTest.java
+++ b/processing/src/test/java/org/apache/druid/query/explain/ExplainPlanTest.java
@@ -110,9 +110,7 @@ private void testSerde(
     try {
       observedExplainPlans = MAPPER.readValue(
           MAPPER.writeValueAsString(givenPlans),
-          new TypeReference<>()
-          {
-          }
+          new TypeReference<>() {}
       );
     }
     catch (Exception e) {
diff --git a/processing/src/test/java/org/apache/druid/segment/nested/NestedPathPartTest.java b/processing/src/test/java/org/apache/druid/segment/nested/NestedPathPartTest.java
index 5fd7ec770e18..f11c748789e1 100644
--- a/processing/src/test/java/org/apache/druid/segment/nested/NestedPathPartTest.java
+++ b/processing/src/test/java/org/apache/druid/segment/nested/NestedPathPartTest.java
@@ -32,9 +32,7 @@
 public class NestedPathPartTest
 {
   private static final ObjectMapper JSON_MAPPER = new DefaultObjectMapper();
-  private static final TypeReference<List<NestedPathPart>> TYPE_REF = new TypeReference<>()
-  {
-  };
+  private static final TypeReference<List<NestedPathPart>> TYPE_REF = new TypeReference<>() {};
 
   @Test
   public void testMapFieldSerde() throws JsonProcessingException
diff --git a/server/src/main/java/org/apache/druid/catalog/model/ModelProperties.java b/server/src/main/java/org/apache/druid/catalog/model/ModelProperties.java
index df471a67b6b1..6069321a0d3f 100644
--- a/server/src/main/java/org/apache/druid/catalog/model/ModelProperties.java
+++ b/server/src/main/java/org/apache/druid/catalog/model/ModelProperties.java
@@ -364,9 +364,7 @@ public StringListPropertyDefn(String name)
       super(
           name,
           "string list",
-          new TypeReference<>()
-          {
-          }
+          new TypeReference<>() {}
       );
     }
   }
diff --git a/server/src/main/java/org/apache/druid/catalog/model/table/DatasourceDefn.java b/server/src/main/java/org/apache/druid/catalog/model/table/DatasourceDefn.java
index 4713f850f57b..297188dd9cc1 100644
--- a/server/src/main/java/org/apache/druid/catalog/model/table/DatasourceDefn.java
+++ b/server/src/main/java/org/apache/druid/catalog/model/table/DatasourceDefn.java
@@ -110,9 +110,7 @@ public ClusterKeysDefn()
       super(
           CLUSTER_KEYS_PROPERTY,
           "ClusterKeySpec list",
-          new TypeReference<>()
-          {
-          }
+          new TypeReference<>() {}
       );
     }
 
diff --git a/server/src/main/java/org/apache/druid/catalog/model/table/ExternalTableDefn.java b/server/src/main/java/org/apache/druid/catalog/model/table/ExternalTableDefn.java
index b18b19b42a67..015f7195c2a3 100644
--- a/server/src/main/java/org/apache/druid/catalog/model/table/ExternalTableDefn.java
+++ b/server/src/main/java/org/apache/druid/catalog/model/table/ExternalTableDefn.java
@@ -236,9 +236,7 @@ public class ExternalTableDefn extends TableDefn
    * Type reference used to deserialize JSON to a generic map.
    */
   @VisibleForTesting
-  public static final TypeReference<Map<String, Object>> MAP_TYPE_REF = new TypeReference<>()
-  {
-  };
+  public static final TypeReference<Map<String, Object>> MAP_TYPE_REF = new TypeReference<>() {};
 
   private TableDefnRegistry registry;
 
diff --git a/server/src/main/java/org/apache/druid/client/BatchServerInventoryView.java b/server/src/main/java/org/apache/druid/client/BatchServerInventoryView.java
index 6b37765adeb6..58d4fb0927ee 100644
--- a/server/src/main/java/org/apache/druid/client/BatchServerInventoryView.java
+++ b/server/src/main/java/org/apache/druid/client/BatchServerInventoryView.java
@@ -115,9 +115,7 @@ public DruidServer deserializeContainer(byte[] bytes)
           public Set<DataSegment> deserializeInventory(byte[] bytes)
           {
             try {
-              return jsonMapper.readValue(bytes, new TypeReference<>()
-              {
-              });
+              return jsonMapper.readValue(bytes, new TypeReference<>() {});
             }
             catch (IOException e) {
               log.error(e, "Could not parse json: %s", StringUtils.fromUtf8(bytes));
diff --git a/server/src/main/java/org/apache/druid/client/coordinator/CoordinatorClientImpl.java b/server/src/main/java/org/apache/druid/client/coordinator/CoordinatorClientImpl.java
index 3e6efc84e574..224a766c719d 100644
--- a/server/src/main/java/org/apache/druid/client/coordinator/CoordinatorClientImpl.java
+++ b/server/src/main/java/org/apache/druid/client/coordinator/CoordinatorClientImpl.java
@@ -118,9 +118,7 @@ public Iterable<ImmutableSegmentLoadInfo> fetchServerViewSegments(String dataSou
           holder -> JacksonUtils.readValue(
               jsonMapper,
               holder.getContent(),
-              new TypeReference<>()
-              {
-              }
+              new TypeReference<>() {}
           )
       );
       FutureUtils.getUnchecked(segments, true).forEach(retVal::add);
diff --git a/server/src/main/java/org/apache/druid/rpc/indexing/OverlordClientImpl.java b/server/src/main/java/org/apache/druid/rpc/indexing/OverlordClientImpl.java
index a7f609c5e45e..76077a2fbddb 100644
--- a/server/src/main/java/org/apache/druid/rpc/indexing/OverlordClientImpl.java
+++ b/server/src/main/java/org/apache/druid/rpc/indexing/OverlordClientImpl.java
@@ -173,9 +173,7 @@ public ListenableFuture<Map<String, TaskStatus>> taskStatuses(final Set<String>
             new BytesFullResponseHandler()
         ),
         holder ->
-            JacksonUtils.readValue(jsonMapper, holder.getContent(), new TypeReference<>()
-            {
-            })
+            JacksonUtils.readValue(jsonMapper, holder.getContent(), new TypeReference<>() {})
     );
   }
 
@@ -210,9 +208,7 @@ public ListenableFuture<Map<String, List<Interval>>> findLockedIntervals(
           final Map<String, List<Interval>> response = JacksonUtils.readValue(
               jsonMapper,
               holder.getContent(),
-              new TypeReference<>()
-              {
-              }
+              new TypeReference<>() {}
           );
 
           return response == null ? Collections.emptyMap() : response;
@@ -259,9 +255,7 @@ public ListenableFuture<List<IndexingWorkerInfo>> getWorkers()
             new BytesFullResponseHandler()
         ),
         holder ->
-            JacksonUtils.readValue(jsonMapper, holder.getContent(), new TypeReference<>()
-            {
-            })
+            JacksonUtils.readValue(jsonMapper, holder.getContent(), new TypeReference<>() {})
     );
   }
 
diff --git a/server/src/main/java/org/apache/druid/server/ClientQuerySegmentWalker.java b/server/src/main/java/org/apache/druid/server/ClientQuerySegmentWalker.java
index fd6f79209175..6b5b89124ceb 100644
--- a/server/src/main/java/org/apache/druid/server/ClientQuerySegmentWalker.java
+++ b/server/src/main/java/org/apache/druid/server/ClientQuerySegmentWalker.java
@@ -594,9 +594,7 @@ private <T> QueryRunner<T> decorateClusterRunner(Query<T> query, QueryRunner<T>
         .postProcess(
             objectMapper.convertValue(
                 query.context().getString("postProcessing"),
-                new TypeReference<>()
-                {
-                }
+                new TypeReference<>() {}
             )
         )
         .map(
diff --git a/server/src/main/java/org/apache/druid/server/coordination/BatchDataSegmentAnnouncer.java b/server/src/main/java/org/apache/druid/server/coordination/BatchDataSegmentAnnouncer.java
index a1b2e51df9b0..d95dee729af0 100644
--- a/server/src/main/java/org/apache/druid/server/coordination/BatchDataSegmentAnnouncer.java
+++ b/server/src/main/java/org/apache/druid/server/coordination/BatchDataSegmentAnnouncer.java
@@ -433,9 +433,7 @@ public Set<DataSegment> getSegments()
       try {
         return jsonMapper.readValue(
             bytes,
-            new TypeReference<>()
-            {
-            }
+            new TypeReference<>() {}
         );
       }
       catch (Exception e) {
diff --git a/server/src/test/java/org/apache/druid/metadata/SQLMetadataStorageActionHandlerTest.java b/server/src/test/java/org/apache/druid/metadata/SQLMetadataStorageActionHandlerTest.java
index a38da6c170d7..56ff7751efb3 100644
--- a/server/src/test/java/org/apache/druid/metadata/SQLMetadataStorageActionHandlerTest.java
+++ b/server/src/test/java/org/apache/druid/metadata/SQLMetadataStorageActionHandlerTest.java
@@ -85,25 +85,19 @@ public void setUp()
           @Override
           public TypeReference<Map<String, Object>> getEntryType()
           {
-            return new TypeReference<>()
-            {
-            };
+            return new TypeReference<>() {};
           }
 
           @Override
           public TypeReference<Map<String, Object>> getStatusType()
           {
-            return new TypeReference<>()
-            {
-            };
+            return new TypeReference<>() {};
           }
 
           @Override
           public TypeReference<Map<String, Object>> getLockType()
           {
-            return new TypeReference<>()
-            {
-            };
+            return new TypeReference<>() {};
           }
         },
         entryType,
diff --git a/server/src/test/java/org/apache/druid/server/StatusResourceTest.java b/server/src/test/java/org/apache/druid/server/StatusResourceTest.java
index 91e1f5682ec9..41c52382f557 100644
--- a/server/src/test/java/org/apache/druid/server/StatusResourceTest.java
+++ b/server/src/test/java/org/apache/druid/server/StatusResourceTest.java
@@ -94,7 +94,8 @@ private void testHiddenPropertiesWithPropertyFileName(String fileName) throws Ex
 
     Set<String> hiddenProperties = new ObjectMapper().readValue(
         returnedProperties.get("druid.server.hiddenProperties"),
-        new TypeReference<>() {});
+        new TypeReference<>() {}
+    );
 
     hiddenProperties.forEach(
         (property) -> {
diff --git a/server/src/test/java/org/apache/druid/server/coordination/coordination/BatchDataSegmentAnnouncerTest.java b/server/src/test/java/org/apache/druid/server/coordination/coordination/BatchDataSegmentAnnouncerTest.java
index 839f092274ac..98644cdc5655 100644
--- a/server/src/test/java/org/apache/druid/server/coordination/coordination/BatchDataSegmentAnnouncerTest.java
+++ b/server/src/test/java/org/apache/druid/server/coordination/coordination/BatchDataSegmentAnnouncerTest.java
@@ -606,9 +606,7 @@ public Set<DataSegment> read(String path)
       try {
         if (cf.checkExists().forPath(path) != null) {
           return jsonMapper.readValue(
-              cf.getData().forPath(path), new TypeReference<>()
-              {
-              }
+              cf.getData().forPath(path), new TypeReference<>() {}
           );
         }
       }
diff --git a/server/src/test/java/org/apache/druid/server/coordinator/duty/CompactSegmentsTest.java b/server/src/test/java/org/apache/druid/server/coordinator/duty/CompactSegmentsTest.java
index 379cb32de025..882bb87a25a5 100644
--- a/server/src/test/java/org/apache/druid/server/coordinator/duty/CompactSegmentsTest.java
+++ b/server/src/test/java/org/apache/druid/server/coordinator/duty/CompactSegmentsTest.java
@@ -2175,9 +2175,7 @@ private void compactSegments(
           transformSpec = jsonMapper.readValue(
               jsonMapper.writeValueAsString(new TransformSpec(clientCompactionTaskQuery.getTransformSpec()
                                                                                        .getFilter(), null)),
-              new TypeReference<>()
-              {
-              }
+              new TypeReference<>() {}
           );
         }
       }
diff --git a/server/src/test/java/org/apache/druid/server/coordinator/loading/HttpLoadQueuePeonTest.java b/server/src/test/java/org/apache/druid/server/coordinator/loading/HttpLoadQueuePeonTest.java
index ceedc7bd3816..66ea1ee9eda0 100644
--- a/server/src/test/java/org/apache/druid/server/coordinator/loading/HttpLoadQueuePeonTest.java
+++ b/server/src/test/java/org/apache/druid/server/coordinator/loading/HttpLoadQueuePeonTest.java
@@ -350,9 +350,7 @@ public <Intermediate, Final> ListenableFuture<Final> go(
       httpResponseHandler.handleResponse(httpResponse, null);
       try {
         List<DataSegmentChangeRequest> changeRequests = MAPPER.readValue(
-            request.getContent().array(), new TypeReference<>()
-            {
-            }
+            request.getContent().array(), new TypeReference<>() {}
         );
 
         List<DataSegmentChangeResponse> statuses = new ArrayList<>(changeRequests.size());
diff --git a/services/src/main/java/org/apache/druid/cli/CliCoordinator.java b/services/src/main/java/org/apache/druid/cli/CliCoordinator.java
index eff73a646e3b..207090a06ddf 100644
--- a/services/src/main/java/org/apache/druid/cli/CliCoordinator.java
+++ b/services/src/main/java/org/apache/druid/cli/CliCoordinator.java
@@ -367,9 +367,7 @@ public CoordinatorCustomDutyGroups get()
           if (Strings.isNullOrEmpty(props.getProperty(dutyListProperty))) {
             throw new IAE("Coordinator custom duty group given without any duty for group %s", coordinatorCustomDutyGroupName);
           }
-          List<String> dutyForGroup = jsonMapper.readValue(props.getProperty(dutyListProperty), new TypeReference<>()
-          {
-          });
+          List<String> dutyForGroup = jsonMapper.readValue(props.getProperty(dutyListProperty), new TypeReference<>() {});
           List<CoordinatorCustomDuty> coordinatorCustomDuties = new ArrayList<>();
           for (String dutyName : dutyForGroup) {
             final String dutyPropertyBase = StringUtils.format(