apply spotless

Signed-off-by: xinyual <xinyual@amazon.com>

Author: xinyual

ml-algorithms/src/main/java/org/opensearch/ml/engine/tools/AgentModelsSearcher.java

@@ -14,7 +14,7 @@
 import org.opensearch.search.builder.SearchSourceBuilder;
 
 public class AgentModelsSearcher {
-    private Set<String> relatedModelIdSet;
+    private final Set<String> relatedModelIdSet;
 
     public AgentModelsSearcher(Map<String, Tool.Factory> toolFactories) {
         relatedModelIdSet = new HashSet<>();

plugin/src/main/java/org/opensearch/ml/action/models/DeleteModelTransportAction.java

@@ -91,7 +91,7 @@ public class DeleteModelTransportAction extends HandledTransportAction<ActionReq
 
     ModelAccessControlHelper modelAccessControlHelper;
 
-    AgentModelsSearcher agentModelsSearcher;
+    final AgentModelsSearcher agentModelsSearcher;
 
     @Inject
     public DeleteModelTransportAction(
@@ -492,7 +492,7 @@ private <T> List<String> findRelevantPipelines(
     }
 
     private Boolean searchThroughConfig(Object searchCandidate, String candidateId, String targetModelKey) {
-        Boolean flag = false;
+        boolean flag = false;
         if (searchCandidate instanceof String
             && Objects.equals(targetModelKey, PIPELINE_TARGET_MODEL_KEY)
             && Objects.equals(candidateId, searchCandidate)) {