if (logger.isDebugEnabled()) {
                logger.debug("LDAP search[{}ms]: {} - {}", systemHelper.getCurrentTimeAsLong() - startTime, baseDn, filter);
            }
            consumer.accept(list);
        } catch (final NamingException e) {
            throw new LdapOperationException("Failed to search " + baseDn + " with " + filter, e);
        }