final S3ClientBuilder builder =
                S3Client.builder().credentialsProvider(StaticCredentialsProvider.create(credentials)).region(Region.of(getRegion(region)));

        // For non-AWS endpoints (MinIO, etc.), set custom endpoint with path-style access
        if (StringUtil.isNotBlank(endpoint)) {
            builder.endpointOverride(URI.create(endpoint)).forcePathStyle(true);
        }

        this.s3Client = builder.build();

        assertEquals(0, result.get("content-type").size());
    }

    @Test
    public void testGetHeaderValuesWhenHeadersNull() {
        CurlResponse response = new CurlResponse();
        // Don't set any headers

        String[] values = response.getHeaderValues("Content-Type");

        assertNotNull(values);
        assertEquals(0, values.length);
    }

    @Test

        rolePager.clear();
        return asHtml(path_AdminRole_AdminRoleJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    /**
     * Sets up search paging data for rendering the role list.
     *
     * @param data the render data to populate
     * @param form the search form containing current search criteria
     */

        byte[] buffer2 = new byte[] { 0x20, 0x00, 0x00, 0x00 }; // 32

        response.readParameterWordsWireFormat(buffer1, 0);
        assertEquals(16L, response.getOffset(), "First read should set offset to 16");

        response.readParameterWordsWireFormat(buffer2, 0);
        assertEquals(32L, response.getOffset(), "Second read should update offset to 32");
    }

    @Test

    private RdmaBufferManager bufferManager;
    private AutoCloseable mocks;

    @BeforeEach
    public void setUp() throws Exception {
        mocks = MockitoAnnotations.openMocks(this);

        // Set up mock provider to return TCP memory regions
        when(mockProvider.registerMemory(any(ByteBuffer.class), any())).thenAnswer(invocation -> {
            ByteBuffer buffer = invocation.getArgument(0);

    /** The authentication realm */
    private String realm;

    @Override
    public void init(final ServletConfig config) throws ServletException {
        super.init(config);

        /* Set jcifs.smb1 properties we know we want; soTimeout and cachePolicy to 10min.
         */
        Config.setProperty("jcifs.smb1.smb.client.soTimeout", "300000");
        Config.setProperty("jcifs.smb1.netbios.cachePolicy", "600");

    }
}
```

### 7.2 Hierarchical Cache Management
```java
public class HierarchicalCacheManager {
    private final DirectoryLeaseManager leaseManager;
    private final Map<String, Set<String>> parentChildMap;
    
    public void invalidateHierarchy(String path) {
        // Invalidate all parent directories up to root
        String currentPath = path;

    /**
     * Get current load balancing strategy
     *
     * @return current strategy
     */
    public LoadBalancingStrategy getStrategy() {
        return strategy;
    }

    /**
     * Set load balancing strategy
     *
     * @param strategy new strategy
     */
    public void setStrategy(LoadBalancingStrategy strategy) {
        this.strategy = strategy;
    }

    /**

     *             if the host cannot be resolved to find out.
     */
    boolean isActive(CIFSContext tc) throws UnknownHostException;

    /**
     * Determines if this address is set to be permanent.
     *
     * @param tc
     *            context to use
     * @return whether this address is permanent
     *
     * @throws UnknownHostException

        System.arraycopy(body, 0, packet, header.length, body.length);

        BaseConfiguration config = new BaseConfiguration(true);
        // Use constructor that sets ctlCode
        Smb2IoctlResponse resp = new Smb2IoctlResponse(config, null, Smb2IoctlRequest.FSCTL_PIPE_PEEK);
        resp.decode(packet, 0);

        SrvPipePeekResponse peek = resp.getOutputData(SrvPipePeekResponse.class);