code: protected Map<String,Object> getCommonConfig() {
          Map<String,Object> mm = new HashMap<String, Object>();
          mm.put("replicaNumber", numReplicas);
          Map<String,Object> ramQuota = new HashMap<String, Object>();
          ramQuota.put("rawRAM", 1024 * 1024 * 100);
          ramQuota.put("ram", 1024 * 1024 * 100);
          mm.put("quota", ramQuota);
          return mm;
      }
docs: Returns configuration information common to both Couchbase and Memcached buckets
  @return The configuration object to be injected