private OperationResult performTopologyChangeMaintenance(Configuration params) {
boolean runRepair = params.getSimple("runRepair").getBooleanValue();
boolean updateSeedsList = params.getSimple("updateSeedsList").getBooleanValue();
EmsConnection emsConnection = getEmsConnection();
KeyspaceService keyspaceService = new KeyspaceService(emsConnection);
boolean hasErrors = false;
OperationResult result = new OperationResult();
Configuration resultConfig = result.getComplexResults();
PropertyList resultsList = new PropertyList("results");