void testInitialTotalBytesWrittenValue() {
            assertEquals(0, response.getTotalBytesWritten());
        }
    }

    @Nested
    @DisplayName("Getter Tests")
    class GetterTests {

        @Test
        @DisplayName("Should get chunksWritten value")
        void testGetChunksWritten() {
            // Initial value should be 0

        assertEquals(100, referral.getSize());
        assertEquals(expectedPath, referral.getRpath());
        assertNull(referral.getAltPath());
        assertNull(referral.getNode());
    }

    // Getter Tests

    @Test
    public void testGetters() {
        // Setup a complete referral
        ByteBuffer bb = ByteBuffer.wrap(testBuffer).order(ByteOrder.LITTLE_ENDIAN);

        bb.putShort((short) 3);

            assertNotNull(closeResponse);
            assertNull(closeResponse.getFileId());
            assertNull(closeResponse.getFileName());
        }
    }

    @Nested
    @DisplayName("Getter Methods Tests")
    class GetterMethodsTests {

        @Test
        @DisplayName("getCloseFlags should return initial value of 0")
        void testGetCloseFlags() {

**Alternative Approach**: Instead of relying on GSA API compatibility, we recommend migrating client applications to use Fess's modern JSON API (`/api/v1/documents`), which provides more features and better performance.

---

### Google Site Search (GSS) / Google Custom Search (GSE)

[Fess Site Search](https://github.com/codelibs/fess-site-search) provides a drop-in replacement for GSS/CSE JavaScript.

     * @return A SuggesterBuilder instance.
     */
    public static SuggesterBuilder builder() {
        return new SuggesterBuilder();
    }

    // getter
    /**
     * Returns the SuggestSettings instance.
     * @return The SuggestSettings instance.
     */
    public SuggestSettings settings() {
        return suggestSettings;
    }

    /**

    protected boolean port139FailoverEnabled = false;
    /** Whether to use NT SMB operations */
    protected boolean useNTSmbs = true;
    /** Whether to use large read/write operations for better performance */
    protected boolean useLargeReadWrite = true;
    /** LAN Manager compatibility level for authentication */
    protected int lanmanCompatibility = 3;

        }

        @Test
        @DisplayName("Should get and set read size")
        void testReadSizeProperty() {
            testMessage.setReadSize(1024);
            // No getter for readSize, but it's used internally in decode
        }

        @Test
        @DisplayName("Should check if async")
        void testAsyncProperty() {
            assertFalse(testMessage.isAsync());

            new SecureRandom().nextBytes(newFileId);

            assertDoesNotThrow(() -> request.setFileId(newFileId));
        }

        @Test
        @DisplayName("Should handle null file ID in setter")
        void testSetNullFileId() {
            assertDoesNotThrow(() -> request.setFileId(null));
        }

        @Test
        @DisplayName("Should handle various file ID sizes")

            assertEquals(PreauthIntegrityNegotiateContext.NEGO_CTX_PREAUTH_TYPE, response.getContextType());
        }
    }

    @Nested
    @DisplayName("Getter Tests")
    class GetterTests {

        @Test
        @DisplayName("Should return hash algorithms correctly")
        void testGetHashAlgos() {
            int[] hashAlgos = { 0x01, 0x02, 0x03 };

     */
    public boolean connected() {
        return connected;
    }

    /**
     * Connects to the OpenSearch cluster.
     * Creates a new client and waits for cluster health to be yellow or better.
     */
    public void connect() {
        destroy();
        client = createClient();

        final String[] indices = targetIndices != null ? targetIndices : new String[0];