private void checkIfConcurrentMapOpsAllowed() {
    // This check allows NORMAL with local scope
    if (serverRegionProxy == null
        && (getDataPolicy() == DataPolicy.NORMAL && scope.isDistributed()
            || getDataPolicy() == DataPolicy.EMPTY)) {
      // the functional spec says these data policies do not support concurrent map operations
      throw new UnsupportedOperationException();
    }
  }
test hook - dump the backing map for this region
geode-core/src/main/java/org/apache/geode/internal/cache/LocalRegion.java