@Override
    public List<ProcessingInfoResponse> listProcessingInfo(final int limit) {
        return getListOnAllStores(
                limit, store ->
                        store.listProcessingInfo(limit)
        );
    }
Get all ref stores keyed by feed name

@return Map of feedName => {@link RefDataOffHeapStore}
stroom-pipeline/src/main/java/stroom/pipeline/refdata/store/offheapstore/DelegatingRefDataOffHeapStore.java