docs: public ServiceFuture<HierarchicalChildEntity> getHierarchicalEntityChildAsync(UUID appId, String versionId, UUID hEntityId, UUID hChildId, final ServiceCallback<HierarchicalChildEntity> serviceCallback) {
          return ServiceFuture.fromResponse(getHierarchicalEntityChildWithServiceResponseAsync(appId, versionId, hEntityId, hChildId), serviceCallback);
      }