@VisibleForTesting
  Region<String, OperationState<ClusterManagementOperation<OperationResult>, OperationResult>> getRegion() {
    return region;
  }
This store uses a geode region to implement the storage of operation state.
It is a REPLICATE region so that the storage will be shared on each member
that hosts this region. Currently each locator hosts this region.
geode-core/src/main/java/org/apache/geode/management/internal/operation/RegionOperationStateStore.java