code: @Nullable
    private List<LookupBean> getLookupListFromSnapshot()
    {
      if (lookupSnapshotTaker != null) {
        return lookupSnapshotTaker.pullExistingSnapshot(lookupListeningAnnouncerConfig.getLookupTier());
      }
      return null;
    }
docs: Returns a list of lookups from the snapshot if the lookupsnapshottaker is configured. If it's not available,
  returns null.
  
  @return list of LookupBean objects, or null