code: private boolean isRecordStoreExpirable() {
          MapConfig mapConfig = mapContainer.getMapConfig();
          return hasEntryWithCustomExpiration || mapConfig.getMaxIdleSeconds() > 0
                  || mapConfig.getTimeToLiveSeconds() > 0;
      }
docs: Returns {@code true} if this record store has at least one candidate entry
  for expiration (idle or tll) otherwise returns {@code false}.