@Override
  public <A extends ClusterManagementOperation<V>, V extends OperationResult> List<OperationState<A, V>> list() {
    ArrayList<OperationState<A, V>> result = new ArrayList<>();
    for (OperationState<ClusterManagementOperation<OperationResult>, OperationResult> operationState : region
        .values()) {
      result.add((OperationState<A, V>) operationState.createCopy());
    }
    return result;
  }
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