req.setFacetSpec("proposal_accepts", fspec);
req.setFacetSpec("num_endorsers", fspec);
req.setFacetSpec("group_id", fspec);
BoboIndexReader reader = BoboIndexReader.getInstance(IndexReader.open(idxDir));
BoboBrowser browser = new BoboBrowser(reader);
BrowseResult res = browser.browse(req);
Map<String,FacetAccessible> facetMap = res.getFacetMap();
Collection<FacetAccessible> facetCountCollectors = facetMap.values();
Iterator<FacetAccessible> iter = facetCountCollectors.iterator();
while (iter.hasNext())