@Override
            public Set<String> getApiPingEsFieldSet() {
                return new HashSet<>();
            }
        };
        ComponentUtil.register(mockConfig, "fessConfig");

        // Note: Full testing requires a running OpenSearch cluster
        // These tests verify the PingResponse class structure is correct
        assertTrue(true);
    }

    public void test_getClusterName_returnsCorrectValue() {

     */
    String getDomain();

    /**
     * Gets the full UNC path.
     *
     * @return the full UNC path
     */
    String getFullUNCPath();

    /**
     * Sets the path to the resource.
     *
     * @param path the path to set
     */
    void setPath(String path);

    /**
     * Sets the full UNC path components.
     *
     * @param domain the domain name

    /**
     * Returns the full uncanonicalized URL of this SMB resource. An
     * <code>SmbFile</code> constructed with the result of this method will
     * result in an <code>SmbFile</code> that is equal to the original.
     *
     * @return The uncanonicalized full URL of this SMB resource.
     */

    String getPath();

    /**
     * Returns the full URL of this SMB resource with '.' and '..' components

        if (nonce.length == 12) {
            // For CCM cipher, pad nonce to 16 bytes with zeros
            java.util.Arrays.fill(this.nonce, (byte) 0);
            System.arraycopy(nonce, 0, this.nonce, 0, 12);
        } else if (nonce.length == 16) {
            // For GCM cipher, use full 16-byte nonce
            System.arraycopy(nonce, 0, this.nonce, 0, 16);
        } else {

            // Test full access combination
            int fullAccess = ACE.GENERIC_ALL | ACE.DELETE | ACE.READ_CONTROL | ACE.WRITE_DAC | ACE.WRITE_OWNER;
            assertTrue((fullAccess & ACE.GENERIC_ALL) != 0, "Full access should contain GENERIC_ALL");
            assertTrue((fullAccess & ACE.DELETE) != 0, "Full access should contain DELETE");

    }

    /**
     * Test that buffer cache handles allocation when cache is full.
     */
    @Test
    public void testBufferAllocationWhenCacheFull() {
        // Given - Allocate many buffers to potentially fill the cache
        List<byte[]> buffers = new ArrayList<>();

        // Allocate more buffers than cache can hold

    }

    // Edge: releasing null must be a no-op without exceptions
    @Test
    @DisplayName("releaseBuffer(null) is a no-op and does not throw")
    void releaseNullIsNoop() {
        BufferCacheImpl impl = new BufferCacheImpl(1, 4);
        assertDoesNotThrow(() -> impl.releaseBuffer(null));
        // Subsequent get should still work

        SMBUtil.writeInt4(ctx.length, base, offsetFieldPos + 4);

        // Assemble full body: base (fixed-size fields only), but actual context bytes sit elsewhere in the full packet
        // Return just the base; caller is responsible for placing ctx at the correct absolute offset.
        // We will return a composite buffer from the test when building the full packet.

    }

    // Test Options class with null values
    public void test_Options_nullValues() {
        SuggestCreator.Options options = new SuggestCreator.Options();
        options.sessionId = null;
        options.propertiesPath = null;

        String result = options.toString();
        assertTrue(result.contains("sessionId=null"));
        assertTrue(result.contains("propertiesPath=null"));
    }

        protected void setFieldValue(String fieldName, Object value) {
            try {
                Field field = null;
                Class<?> clazz = this.getClass();
                while (clazz != null && field == null) {
                    try {
                        field = clazz.getDeclaredField(fieldName);
                    } catch (NoSuchFieldException e) {