unfiltered.add("zzz");
                unfiltered.add("abc");
                return Collections2.filter(Collections2.filter(unfiltered, LENGTH_1), NOT_YYY_ZZZ);
              }
            })
        .named("Collections2.filter, filtered input")
        .withFeatures(
            CollectionFeature.SUPPORTS_ADD,
            CollectionFeature.SUPPORTS_REMOVE,

     * @param filters The filters to combine, may be {@code null}.
     */
    public CumulativeScopeArtifactFilter(CumulativeScopeArtifactFilter... filters) {
        this.scopes = new HashSet<>();

        if (filters != null) {
            for (CumulativeScopeArtifactFilter filter : filters) {
                addScopes(filter.getScopes());
            }
        }
    }

    private void addScopes(Collection<String> scopes) {

                int searchAttributes, FileEntry initial, List<FileEntry[]> pages) throws CIFSException {
            staticInitial = initial;
            staticPages = new ArrayList<>(pages);
            // Don't reset staticThrowOnOpen here - it's controlled by tests
            return new TestIterator(th, parent, wildcard, filter, searchAttributes);
        }

			inputXML: ` <Filter>
						<Tag>
							<Key>key1</Key>
							<Value>value1</Value>
						</Tag>
						</Filter>`,
			expectedErr: nil,
		},
		{ // Filter with Prefix tag
			inputXML: ` <Filter>
							<Prefix>key-prefix</Prefix>
						</Filter>`,
			expectedErr: nil,
		},
		{ // Filter without And and multiple Tag tags
			inputXML: ` <Filter>
							<Prefix>key-prefix</Prefix>
							<Tag>

    }

    /**
     * Gets the name of the filter index for the crawler.
     *
     * @return the filter index name
     */
    @Override
    public String getFilterIndex() {
        return ComponentUtil.getFessConfig().getIndexDocumentCrawlerIndex() + ".filter";
    }

    /**
     * Gets the number of shards for the queue index.
     *

    private final ResourceFilter filter;
    private final SmbResource parent;
    private SmbResource next;

    /**
     * @param parent
     * @param delegate
     * @param filter
     *
     */
    public FileEntryAdapterIterator(final SmbResource parent, final CloseableIterator<FileEntry> delegate, final ResourceFilter filter) {
        this.parent = parent;
        this.delegate = delegate;

     * is too restrictive or permissive for your use case.
     * </p>
     *
     * @param bytes the byte array (must not be {@literal null})
     * @param filter the ObjectInputFilter to use, or null to disable filtering
     * @return the deserialized object
     * @throws IORuntimeException if an I/O error occurs or if a class is rejected by the filter

    }

    /**
     * Adds a filter to the processing pipeline.
     * After adding a filter, the filter chain is recreated to include the new filter.
     *
     * @param filter the filter to add to the processing pipeline
     */
    public void addFilter(final Filter filter) {
        filterList.add(filter);
        createFilterChain();
    }

    /**

        @SuppressWarnings("unchecked")
        Entry<String, Integer> entry = (Entry<String, Integer>) o;
        multimap.put(entry.getKey(), entry.getValue());
      }
      return filter(multimap);
    }

    abstract ListMultimap<String, Integer> filter(ListMultimap<String, Integer> multimap);

    @Override
    public Collection<Integer> createCollection(Iterable<? extends Integer> values) {
      return Lists.newArrayList(values);

    /**
     * @param parent
     * @param delegate
     * @param filter
     */
    public NetServerFileEntryAdapterIterator(final SmbResource parent, final NetServerEnumIterator delegate, final ResourceFilter filter) {
        super(parent, delegate, filter);
    }

    /**
     * @param fe
     * @return
     * @throws MalformedURLException
     */
    @Override