public boolean keyExistsInLocalMonitoringRegion(String key) {
    if (localMonitoringRegion != null && !localMonitoringRegion.isDestroyed()) {
      // We want to just check locally without sending a message to the manager.
      // containsKey does this.
      return localMonitoringRegion.containsKey(key);
    } else {
      return true; // so caller will think it does not need to do a putAll
    }
  }
uses putAll operation of region

@param objectMap Object Map containing key-value operations
geode-core/src/main/java/org/apache/geode/management/internal/ManagementResourceRepo.java