return delegate().pollLast();
      }
    }

    @Override
    public E getFirst() {
      synchronized (mutex) {
        return delegate().getFirst();
      }
    }

    @Override
    public E getLast() {
      synchronized (mutex) {
        return delegate().getLast();
      }
    }

    @Override
    @CheckForNull
    public E peekFirst() {

        return delegate().pollLast();
      }
    }

    @Override
    public E getFirst() {
      synchronized (mutex) {
        return delegate().getFirst();
      }
    }

    @Override
    public E getLast() {
      synchronized (mutex) {
        return delegate().getLast();
      }
    }

    @Override
    @CheckForNull
    public E peekFirst() {

        isExists = false;

        try {
            if( url.getHost().length() == 0 ) {
            } else if( share == null ) {
                if( getType() == TYPE_WORKGROUP ) {
                    UniAddress.getByName( url.getHost(), true );
                } else {
                    UniAddress.getByName( url.getHost() ).getHostName();
                }

	DeleteBucket(ctx context.Context, bucket string, opts DeleteBucketOptions) error

	GetHost() string
	SetPools([]int)
	GetPools() []int
}

type localPeerS3Client struct {
	node  Node
	pools []int
}

func (l *localPeerS3Client) GetHost() string {
	return l.node.Host
}

func (l *localPeerS3Client) SetPools(p []int) {
	l.pools = make([]int, len(p))

        String scrollId = response.getScrollId();
        try {
            while (scrollId != null) {
                final SearchHits searchHits = getSearchHits(response);
                final SearchHit[] hits = searchHits.getHits();
                if (hits.length == 0) {
                    break;
                }

                if (!handler.apply(searchHits)) {
                    break;
                }

        }
    }

    protected void addSubLink(final Queue<String> queue, final String html, final HttpUriRequest request) {
        String schema = request.getURI().getScheme();
        String host = request.getURI().getHost();
        String originUri = request.getURI().toString();

        String h = html;
        final String tag = "<a href=\"";
        int linkPos;
        while((linkPos = h.indexOf(tag)) >=0) {

            }
        } catch (IOException e) {
            throw UncheckedException.throwAsUncheckedException(e);
        }
        input.insert(pos, builder.toString().trim());
    }

    public char getFirst() {
        return input.charAt(pos);
    }

     */
    public Pair(final T1 first, final T2 second) {
        this.first = first;
        this.second = second;
    }

    /**
     * 1番目の値を返します。
     *
     * @return 1番目の値
     */
    public T1 getFirst() {
        return first;
    }

    /**
     * 1番目の値を設定します。
     *
     * @param first
     *            1番目の値
     */
    public void setFirst(final T1 first) {
        this.first = first;
    }

     * For NTLM proxies, specifies the NTLM domain.
     */
    private String ntlmDomain;

    /**
     * Return proxy server host name.
     *
     * @return proxy server host name
     */
    public String getHost() {
        return host;
    }

    /**
     * Set proxy host name.
     *
     * @param host proxy server host name
     */
    public void setHost(String host) {
        this.host = host;
    }

public interface FessTransformer {

    Map<String, String> parentEncodingMap = Collections.synchronizedMap(new LruHashMap<>(1000));

    FessConfig getFessConfig();

    Logger getLogger();

    default String getHost(final String u) {
        if (StringUtil.isBlank(u)) {
            return StringUtil.EMPTY; // empty
        }

        String url = u;
        final String originalUrl = url;