}

    protected void delete(final String entryDN, final Supplier<Hashtable<String, String>> envSupplier) {
        try (DirContextHolder holder = getDirContext(envSupplier)) {
            logger.debug("Deleting {}", entryDN);
            holder.get().destroySubcontext(entryDN);
        } catch (final NamingException e) {
            throw new LdapOperationException("Failed to delete " + entryDN, e);
        }
    }

            buf.append(',');
            buf.append("\"record_count\":");
            buf.append(allRecordCount);
            buf.append(',');
            buf.append("\"record_count_relation\":");
            buf.append(escapeJson(allRecordCountRelation));
            buf.append(',');
            buf.append("\"page_count\":");
            buf.append(allPageCount);

...