*/
    protected boolean namespaceAware;

    /**
     * If true, the parser will convert CDATA nodes to Text nodes and append them to the adjacent Text node.
     */
    protected boolean coalescing;

    /**
     * If true, the parser will expand entity reference nodes.
     */
    protected boolean expandEntityRef = false;

    /**
     * If true, the parser will ignore comments.

        case Node.ELEMENT_NODE:
            appendElement((Element) node, buf);
            break;
        case Node.TEXT_NODE:
            appendText((Text) node, buf);
            break;
        case Node.CDATA_SECTION_NODE:
            appendCDATASection((CDATASection) node, buf);
            break;
        case Node.ENTITY_REFERENCE_NODE:
            appendEntityReference((EntityReference) node, buf);

            final Map<String, List<String>> metadataMap, final int depth) {
        if (node == null || depth > maxDepth) {
            return;
        }

        if (node.isObject()) {
            extractObject((ObjectNode) node, parentKey, textBuilder, metadataMap, depth);
        } else if (node.isArray()) {
            extractArray((ArrayNode) node, parentKey, textBuilder, metadataMap, depth);
        } else {

        writeElastisearchJsonApi(zos, id, "nodes", "stats");
        writeElastisearchJsonApi(zos, id, "nodes", "_all");
        writeElastisearchJsonApi(zos, id, "nodes", "usage");
        writeElastisearchJsonApi(zos, id, "remote", "info");
        writeElastisearchJsonApi(zos, id, "tasks", "");
        writeElastisearchJsonApi(zos, id, "nodes", "hot_threads");
    }

    /**

3. **Resource Management**: `CurlResponse` implements `Closeable` for try-with-resources
4. **Async Support**: Both synchronous (`executeSync()`) and asynchronous (`execute()`) execution modes

## Technical Details

- **Java Version**: 17+
- **Dependencies**:
  - Apache Commons IO 2.19.0 (runtime)
  - JUnit 4.13.2 (test)
- **Module Name**: `org.codelibs.curl4j`

        return fessConfig.isCrawlerDocumentDuplicateTermRemoved();
    }

    /**
     * Gets the array of space character codes from configuration.
     *
     * @return array of character codes to be treated as spaces
     */
    protected int[] getSpaceChars() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        // create runner instance
        runner = new OpenSearchRunner();
        // create ES nodes
        final String clusterName = UUID.randomUUID().toString();
        runner.onBuild((number, settingsBuilder) -> {
            settingsBuilder.put("http.cors.enabled", true);
            settingsBuilder.put("discovery.type", "single-node");
        }).build(newConfigs().clusterName(clusterName).numOfNode(1));

        case ERROR_INVALID_STATE:
            return "Invalid state";
        default:
            return "Unknown error: 0x" + Integer.toHexString(returnCode);
        }
    }

    /**
     * Encodes the witness RPC message parameters to NDR format.
     * Subclasses must implement this method to encode their specific parameters.
     *
     * @param buf the NDR buffer to encode into

        final int m = boundary - 1;
        final int i = index - start;
        final int n = (i + m & ~m) - i;
        advance(n);
        return n;
    }

    /**
     * Encodes a small integer (1 byte) in NDR format.
     *
     * @param s the small integer value to encode
     */
    public void enc_ndr_small(final int s) {
        buf[index] = (byte) (s & 0xFF);
        advance(1);

        }
    }

    @Test
    @DisplayName("Should have status codes array")
    void testStatusCodesArray() {
        // When
        int[] codes = NtStatus.NT_STATUS_CODES;

        // Then
        assertNotNull(codes);
        assertTrue(codes.length > 0);
        // First code should be success
        assertEquals(NtStatus.NT_STATUS_SUCCESS, codes[0]);
    }

    @Test