FederationKey host = FederationKey.LOCAL;
ProjectId project = localClient.getProject();
FederationMapping mapKey = new FederationMapping(host, project);
federationMap.addMapping(mapKey, localClient);
for (PlatformLayerKey mappedService : multitenant.getMappedItems()) {
FederationMap.Rule rule = new FederationMap.Rule();
rule.mappedItems = mappedService;
rule.targetKey = mapKey;