*   holdsLock assertions.
   *
   * - For stream() and spliterator(), we have to forward to the delegate ourselves because
   *   ForwardingSet does not forward `default` methods, as discussed in its Javadoc.
   */

  // Currently, we don't include stream() and spliterator() for our classes in the Android flavor.

  @Override
  public boolean remove(@Nullable Object o) {

     */
    Model read(Reader input, Map<String, ?> options) throws IOException, ModelParseException;

    /**
     * Reads the model from the specified byte stream. The stream will be automatically closed before the method
     * returns.
     *
     * @param input The stream to deserialize the model from, must not be {@code null}.
     * @param options The options to use for deserialization, may be {@code null} to use the default values.

        }
    }

    /**
     * Reloads the character mapping items from the provided input stream.
     * Parses mapping rules in the format: input1,input2,... => output
     *
     * @param updater the mapping updater to use for writing changes, or null for read-only reload
     * @param in the input stream to read the mapping data from
     */
    protected void reload(final MappingUpdater updater, final InputStream in) {

            }
            // 404
            throw responseManager.new404("Thumbnail for " + form.docId + " is under generating.");
        }

        return asStream(form.docId).contentType(getImageMimeType(thumbnailFile)).stream(out -> {
            try (BufferedInputStream in = new BufferedInputStream(new FileInputStream(thumbnailFile))) {
                out.write(in);
            }
        });
    }

     */
    public void addDefaultSort(final String fieldName, final String order) {
        final List<SortBuilder<?>> list = new ArrayList<>();
        if (defaultSortBuilders != null) {
            stream(defaultSortBuilders).of(stream -> stream.forEach(builder -> list.add(builder)));
        }
        list.add(createFieldSortBuilder(fieldName, SortOrder.DESC.toString().equalsIgnoreCase(order) ? SortOrder.DESC : SortOrder.ASC));

/**
 * Wrapper for HTTP servlet responses in web API context.
 * This class extends HttpServletResponseWrapper to provide custom response handling
 * for web API responses, including dummy output stream management.
 */
public class WebApiResponse extends HttpServletResponseWrapper {

    /**
     * Constructs a WebApiResponse with the specified response.
     *

            final String requiredKeysStr = fessConfig.getCookieSearchParameterRequiredKeys();
            if (StringUtil.isNotBlank(requiredKeysStr) && StreamUtil.split(requiredKeysStr, ",")
                    .get(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).anyMatch(name -> {
                        final String[] values = req.getParameterValues(name);

        }
        final Map<String, List<String>> searchFieldMap = searchFieldLogList.stream()
                .collect(Collectors.groupingBy(Pair::getFirst, Collectors.mapping(Pair::getSecond, Collectors.toList())));
        sourceMap.put("searchField", searchFieldMap);
        final Map<String, List<String>> headerMap = headerList.stream()

        }
    }

    /**
     * Reloads the dictionary file with the specified updater and input stream.
     * @param updater the updater to use for processing items
     * @param in the input stream containing the file content
     */
    protected void reload(final ProtwordsUpdater updater, final InputStream in) {

        // Default constructor
    }

    static int id = 0;
    static LogStream log = LogStream.getInstance();

    /**
     * Reads exactly len bytes from the input stream into the buffer.
     *
     * @param in the input stream to read from
     * @param b the buffer to read into
     * @param off the offset in the buffer to start writing
     * @param len the number of bytes to read