*/
    protected Map<String, QueueHolder> sessionCache = new ConcurrentHashMap<>();

    /**
     * The number of URLs to fetch when polling.
     */
    protected int pollingFetchSize = 1000;

    /**
     * The maximum size of the crawling queue.
     */
    protected int maxCrawlingQueueSize = 100;

    /**
     * Creates a new instance of OpenSearchUrlQueueService.

        final Map<String, Object> map = new HashMap<>();
        map.put(FieldNames.TEXT, StringUtil.EMPTY);

        for (int i = 0; i < readings.length; i++) {
            map.put(FieldNames.READING_PREFIX + i, new String[] {});
        }

        map.put(FieldNames.FIELDS, new String[] {});
        map.put(FieldNames.TAGS, new String[] {});
        map.put(FieldNames.ROLES, new String[] {});

        CommonPoolUtil.execute(() -> {
            try (Reader reader = new BufferedReader(new InputStreamReader(body.badWordFile.getInputStream(), getCsvEncoding()))) {
                badWordService.importCsv(reader);
                suggestHelper.storeAllBadWords(false);
            } catch (final Exception e) {
                throw new FessSystemException("Failed to import data.", e);
            }
        });

        final int ftag = in.read();
        final int tag = readTagNumber(in, ftag);
        if (tag != expectTag) {
            throw new IOException("Unexpected tag " + tag);
        }
        final int length = readLength(in, limit, false);
        final byte[] content = new byte[length];
        in.read(content);
        return content;
    }

    // shamelessly stolen from BC ASN1InputStream

    void testWriteSetupWireFormat() {
        byte[] buffer = new byte[100];
        int result = response.writeSetupWireFormat(buffer, 0);

        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test writeParametersWireFormat returns 0")
    void testWriteParametersWireFormat() {
        byte[] buffer = new byte[100];
        int result = response.writeParametersWireFormat(buffer, 0);

      throw new UnsupportedOperationException();
    }

    @Override
    public void shutdown() {
      throw new UnsupportedOperationException();
    }

    @Override
    public List<Runnable> shutdownNow() {
      throw new UnsupportedOperationException();
    }

    @Override
    public boolean isShutdown() {
      throw new UnsupportedOperationException();
    }

                }
                bufferIndex += len;
            } else {
                server.oemDomainName = new String();
            }
        } else {
            server.guid = new byte[16];
            System.arraycopy(buffer, bufferIndex, server.guid, 0, 16);
            server.oemDomainName = new String();
            // ignore SPNEGO token for now ...
        }

        return bufferIndex - start;
    }

        int positiveValue = 12345;
        NdrLong ndrLongPositive = new NdrLong(positiveValue);
        assertEquals(positiveValue, ndrLongPositive.value, "Constructor should correctly initialize with a positive value.");

        // Test case 2: Negative value
        int negativeValue = -54321;
        NdrLong ndrLongNegative = new NdrLong(negativeValue);

        assertEquals(TEST_FILE_NAME, new String(dst, 1, TEST_FILE_NAME.length()));
    }

    @Test
    public void testReadParameterWordsWireFormat() {
        // This method is expected to do nothing and return 0
        int result = smbComDelete.readParameterWordsWireFormat(new byte[0], 0);
        assertEquals(0, result);
    }

    @Test
    public void testReadBytesWireFormat() {

        // Test constructor with nested exception causes
        Exception rootCause = new IllegalStateException("Root cause");
        Exception middleCause = new RuntimeException("Middle cause", rootCause);
        String message = "Top level dictionary error";
        DictionaryException exception = new DictionaryException(message, middleCause);

        assertNotNull(exception);