docs: private void sendResponse(Collection<Operation> operations, ServiceNamespace ns) {
          NodeEngine nodeEngine = getNodeEngine();
  
          PartitionReplicaSyncResponse syncResponse = createResponse(operations, ns);
          Address target = getCallerAddress();
          ILogger logger = getLogger();
          if (logger.isFinestEnabled()) {
              logger.finest("Sending sync response to -> " + target + " for partitionId="
                      + getPartitionId() + ", replicaIndex=" + getReplicaIndex() + ", namespaces=" + ns);
          }
  
          // PartitionReplicaSyncResponse is TargetAware and sent directly without invocation system.
          syncResponse.setTarget(target);
  
          OperationService operationService = nodeEngine.getOperationService();
          operationService.send(syncResponse, target);
      }