*/
    void reset();

    /**
     * Gets the exception associated with this response.
     *
     * @return an exception linked to an error
     */
    Exception getException();

    /**
     * Sets an exception for this response.
     *
     * @param e the exception to set
     */
    void exception(Exception e);

    /**

  /**
   * Returns a {@link Collector} that accumulates elements into an {@code ImmutableMap} whose keys
   * and values are the result of applying the provided mapping functions to the input elements.
   * Entries appear in the result {@code ImmutableMap} in encounter order.
   *
   * <p>If the mapped keys contain duplicates (according to {@link Object#equals(Object)}, an {@code

     * Used for tracking which documents were displayed for a particular search query.
     *
     * @param queryId the unique identifier for the search query
     * @return an array of document IDs, or an empty array if not found
     */
    public String[] getResultDocIds(final String queryId) {
        return LaRequestUtil.getOptionalRequest().map(req -> req.getSession(false)).map(session -> {

      copyright notice that is included in or attached to the work
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      "Derivative Works" shall mean any work, whether in Source or Object
      form, that is based on (or derived from) the Work and for which the
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      represent, as a whole, an original work of authorship. For the purposes

      copyright notice that is included in or attached to the work
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      "Derivative Works" shall mean any work, whether in Source or Object
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      copyright notice that is included in or attached to the work
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      "Derivative Works" shall mean any work, whether in Source or Object
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      "Derivative Works" shall mean any work, whether in Source or Object
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      represent, as a whole, an original work of authorship. For the purposes