logger.warn("Could not get urls: (" + xpath + ", " + attr + ")", e);
        }
        return urlList;
    }

    /**
     * Adds a child URL to the URL list after processing and validation.
     *
     * @param urlList the list to add the URL to
     * @param url the base URL for resolving relative URLs
     * @param attrValue the attribute value containing the URL

            return this;
        }

        /**
         * Adds a document to the search result.
         *
         * @param doc The document to add to the result list
         * @return This builder instance for method chaining
         */
        public SearchResultBuilder addDocument(final Map<String, Object> doc) {
            documentList.add(doc);
            return this;
        }

        /**

                while (addresses.hasMoreElements()) {
                    InetAddress addr = addresses.nextElement();

                    // Estimate link speed (would need platform-specific code for actual speed)
                    int linkSpeed = ni.isVirtual() ? 100 : 1000; // Default 1Gbps

                    NetworkInterfaceInfo info = new NetworkInterfaceInfo(addr, linkSpeed);
                    if (info.isUsableForChannel()) {

    allTasks.add(completeSuccessfullyRunnable);
    allTasks.add(completeExceptionallyRunnable);
    allTasks.add(cancelRunnable);
    allTasks.add(setFutureCompleteSuccessfullyRunnable);
    allTasks.add(setFutureCompleteExceptionallyRunnable);
    allTasks.add(setFutureCancelRunnable);
    for (int k = 0; k < 50; k++) {

  /** Use {@link MoreExecutors#newSequentialExecutor} */
  SequentialExecutor(Executor executor) {
    this.executor = Preconditions.checkNotNull(executor);
  }

  /**
   * Adds a task to the queue and makes sure a worker thread is running.
   *
   * <p>If this method throws, e.g. a {@code RejectedExecutionException} from the delegate executor,

 * a member of the group(a.k.a workgroup and domain) <code>BILLING-NY</code>. To
 * obtain an {@link java.net.InetAddress} for a host one might do:
 *
 * <pre>
 *
 * InetAddress addr = NbtAddress.getByName("jmorris2").getInetAddress();
 * </pre>
 *
 *  * From a UNIX platform with Samba installed you can perform similar
 * diagnostics using the <code>nmblookup</code> utility.
 *

     */
    public Map<String, String> getQueryMap() {
        return queryMap;
    }

    /**
     * Adds a query to the query map with the specified display key.
     *
     * @param key the display key for the query
     * @param query the query string to add
     */
    public void addQuery(final String key, final String query) {
        queryMap.put(key, query);
    }

    /**

    @CanIgnoreReturnValue
    @Override
    public Builder<E> add(E element) {
      super.add(element);
      return this;
    }

    /**
     * Adds each element of {@code elements} to the {@code ImmutableSortedSet}, ignoring duplicate
     * elements (only the first duplicate element is added).
     *
     * @param elements the elements to add
     * @return this {@code Builder} object

            }
        } finally {
            getClient().clearScroll(scrollId);
        }
    }

    /**
     * Adds a URL to the queue for the specified session.
     *
     * @param sessionId The session ID.
     * @param url The URL to add.
     */
    @Override
    public void add(final String sessionId, final String url) {
        if (exists(sessionId, url)) {
            return;
        }

     */
    public Map<String, Object> getMetaDataMap() {
        return metaDataMap;
    }

    /**
     * Adds a child URL discovered from this response.
     *
     * @param url the child URL to add
     */
    public void addChildUrl(final RequestData url) {
        childUrlSet.add(url);
    }

    /**
     * Removes a child URL from this response.
     *
     * @param url the child URL to remove