/*
   * Map<K,V> = Map<TRUSTEE_TEID,TRUSTEE>
   */
  private Map<TrustedEntityId, ITrustedCss> retrieveTopNCss(final TrustedEntityId trustorId)
      throws TrustException {

    final Map<TrustedEntityId, ITrustedCss> result = new HashMap<TrustedEntityId, ITrustedCss>();
    final Set<ITrustedCss> cssSet = super.trustRepo.retrieveCssBySimilarity(trustorId, null, null);
    for (final ITrustedCss css : cssSet) {
      result.put(css.getTrusteeId(), css);
    }

    return result;
  }