docs: private static Set<String> removeDecision(final LdapAttribute ldapConsent, final long decisionId) {
          val result = new HashSet<String>();
          if (ldapConsent.size() != 0) {
              ldapConsent.getStringValues()
                  .stream()
                  .map(LdapConsentRepository::mapFromJson)
                  .filter(d -> d.getId() != decisionId)
                  .map(LdapConsentRepository::mapToJson)
                  .filter(Objects::nonNull)
                  .forEach(result::add);
          }
          return result;
      }