private static void set(Flag flag, IndicesStatsRequestBuilder builder, boolean set) {
   switch (flag) {
     case Docs:
       builder.setDocs(set);
       break;
     case FieldData:
       builder.setFieldData(set);
       break;
     case FilterCache:
       builder.setFilterCache(set);
       break;
     case Flush:
       builder.setFlush(set);
       break;
     case Get:
       builder.setGet(set);
       break;
     case IdCache:
       builder.setIdCache(set);
       break;
     case Indexing:
       builder.setIndexing(set);
       break;
     case Merge:
       builder.setMerge(set);
       break;
     case Refresh:
       builder.setRefresh(set);
       break;
     case Search:
       builder.setSearch(set);
       break;
     case Store:
       builder.setStore(set);
       break;
     case Warmer:
       builder.setWarmer(set);
       break;
     case Percolate:
       builder.setPercolate(set);
       break;
     case Completion:
       builder.setCompletion(set);
       break;
     default:
       assert false : "new flag? " + flag;
       break;
   }
 }