public final <K, V> Region<K, V> createRootRegion(final String rootName,
      final RegionAttributes<K, V> attributes)
      throws RegionExistsException, TimeoutException {
    return getCache().createRegion(rootName, attributes);
  }
Returns a region with the given name and attributes.
geode-dunit/src/main/java/org/apache/geode/test/dunit/cache/internal/JUnit4CacheTestCase.java