@Override
  public Region.Entry getEntry(Object key) {
    Object value = values.get(key);
    if (value == null) {
      return null;

    } else {
      return new Entry(key, value);
    }
  }
Adds a subregion with the given name to this region


@throws RegionExistsException If a subregion with <code>name</code> already exists
geode-core/src/main/java/org/apache/geode/internal/cache/xmlcache/RegionCreation.java