}

    /**
     * Adds an authentication chain to the manager.
     * @param chain The authentication chain to add.
     */
    public void addChain(final AuthenticationChain chain) {
        chains = ArrayUtils.addAll(chains, chain);
    }

    /**
     * Returns a stream of authentication chains.
     * @return A stream wrapper of the authentication chains.
     */
    protected StreamOf<AuthenticationChain> chains() {

            if (StringUtil.isNotBlank(baseDn) && StringUtil.isNotBlank(accountFilter)) {
                final LdapManager ldapManager = ComponentUtil.getLdapManager();
                permissions = distinct(ArrayUtils.addAll(ldapManager.getRoles(this, baseDn, accountFilter, groupFilter, roles -> {
                    permissions = distinct(roles);

            return parent.containsAll(c);
        }

        public boolean addAll(final Collection<? extends E> c) {
            return parent.addAll(c);
        }

        public boolean addAll(final int index, final Collection<? extends E> c) {
            return parent.addAll(index, c);
        }

        public boolean removeAll(final Collection<?> c) {

                            }
                            if (!hasAccessToken || roleSet.isEmpty()) {
                                roleSet.addAll(fessConfig.getSearchGuestRoleList());
                            }
                        });
            } catch (final RuntimeException e) {
                try {

        return channels.values()
                .stream()
                .filter(ChannelInfo::isHealthy)
                .collect(ArrayList::new, (list, item) -> list.add(item), (list1, list2) -> list1.addAll(list2));
    }

    /**
     * Select a channel for the given message
     *
     * @param message message to send
     * @return selected channel
     */

                return (T) value;
            }
            if (clazz.isAssignableFrom(List.class)) {
                final List<String> list = new ArrayList<>();
                Collections.addAll(list, (String[]) value);
                return (T) list;
            }

            if (((String[]) value).length == 0) {
                return null;
            }

     * Add child URLs.
     * @param c the collection of request data to add to the child URL set
     */
    public void addAllUrl(final Collection<RequestData> c) {
        if (c != null) {
            childUrlSet.addAll(c);
        }
    }

    /**
     * Remove a child URL.
     * @param url the request data to remove from the child URL set
     */
    public void removeUrl(final RequestData url) {

        final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();

        roleTypeList.addAll(permissionHelper.getSmbRoleTypeList(responseData));
        roleTypeList.addAll(permissionHelper.getFileRoleTypeList(responseData));
        roleTypeList.addAll(permissionHelper.getFtpRoleTypeList(responseData));

        return roleTypeList;
    }

    /**
     * Get the site on file.

     * @return This instance itself
     */
    public CopyOptions include(final CharSequence... propertyNames) {
        assertArgumentNotEmpty("propertyNames", propertyNames);

        includePropertyNames.addAll(toStringList(propertyNames));
        return this;
    }

    /**
     * Adds property names to exclude from the operation.
     *
     * @param propertyNames

                    firstItems.add(item);
                } else {
                    secondItems.add(item);
                }
            }
        }
        firstWords.addAll(secondWords);
        firstItems.addAll(secondItems);
        return new SuggestResponse(index, searchResponse.getTook().getMillis(), firstWords, searchResponse.getHits().getTotalHits().value(),
                firstItems);
    }

    /**