* It processes the response data based on the HTTP status code and configured transformer.
 * </p>
 *
 * <p>
 * It handles successful responses by transforming the data using a {@link Transformer}
 * and storing the result. It also handles "Not Modified" responses by creating an empty
 * result and storing it. Unsuccessful responses are logged for debugging purposes.
 * </p>
 *

# Object Lambda

        ? new TransformingRandomAccessList<>(fromList, function)
        : new TransformingSequentialList<>(fromList, function);
  }

  /**
   * Implementation of a sequential transforming list.
   *
   * @see Lists#transform
   */
  private static final class TransformingSequentialList<
          F extends @Nullable Object, T extends @Nullable Object>

                }
            }
        }

        return -1;
    }

    /**
     * Processes a single crawl request by executing the HTTP request, handling redirects,
     * transforming the response data, and indexing the document.
     *
     * @param paramMap the data store parameters
     * @param dataMap the data map to be updated with response data
     * @param url the URL to process

 *
 * <h3>Derived steps</h3>
 *
 * A {@code ClosingFuture} step can be derived from one or more input {@code ClosingFuture} steps in
 * ways similar to {@link FluentFuture}s:
 *
 * <ul>
 *   <li>by transforming the value from a successful input step,
 *   <li>by catching the exception from a failed input step, or
 *   <li>by combining the results of several input steps.
 * </ul>
 *

 *
 * <h3>Derived steps</h3>
 *
 * A {@code ClosingFuture} step can be derived from one or more input {@code ClosingFuture} steps in
 * ways similar to {@link FluentFuture}s:
 *
 * <ul>
 *   <li>by transforming the value from a successful input step,
 *   <li>by catching the exception from a failed input step, or
 *   <li>by combining the results of several input steps.
 * </ul>
 *

        addFieldRule(name, xpath);
        fieldPrunedRuleMap.put(name, isPruned);
    }

    /**
     * Sets the URL conversion map for transforming URLs.
     *
     * @param convertUrlMap the map of regex patterns to replacement strings
     */
    public void setConvertUrlMap(final Map<String, String> convertUrlMap) {

  a bug in the transforming informer during the Resync operation, 
  by making the transforming function idempotent. ([#124352](https://github.com/kubernetes/kubernetes/pull/124352), [@wojtek-t](https://github.com/wojtek-t)) [SIG API Machinery and Scheduling]