@Override
  public void setMessageSyncInterval(int seconds) {
    if (seconds < 0) {
      throw new IllegalArgumentException(
          "The 'message-sync-interval' property for cache cannot be negative");
    }
    HARegionQueue.setMessageSyncInterval(seconds);
    hasMessageSyncInterval = true;
  }
Sets the attributes of the root region

@throws RegionExistsException If this cache already contains a region with the same name as
        {@code root}.
geode-core/src/main/java/org/apache/geode/internal/cache/xmlcache/CacheCreation.java