code: private void createMonitoringFile() {
          String monitoringDirName = getMonitoringDirName();
          monitoringDir = new File(monitoringDirName);
  
          File monitoringFile = new File(monitoringDir, gatewayId);
          IoUtil.deleteIfExists(monitoringFile);
          monitorFileWriter.initialize(monitoringFile);
      }
docs: Method creating the monitoring MMF