import java.util.Arrays;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Utility class for JVM-related operations.
 * This class provides methods for handling JVM options and version detection.
 */
public final class JvmUtil {
    private static final Pattern VERSION_PREFIX_PATTERN = Pattern.compile("([0-9]+)(\\-?):(.*)");

    private JvmUtil() {
        // nothing
    }

    /**

- **Key Derivation**: SMB3 KDF implementation with dialect-specific parameters
- **Pre-Authentication Integrity**: SMB 3.1.1 PAI for preventing downgrade attacks
- **Automatic Detection**: Encryption automatically enabled when servers require it
- **Secure Key Management**: Proper key derivation and nonce generation

### Core Features

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Base implementation for API managers providing common functionality.
 * Abstract class that provides format detection and response handling for web APIs.
 */
public abstract class BaseApiManager implements WebApiManager {

    private static final String API_FORMAT_TYPE = "apiFormatType";

    /** Path prefix for API endpoints. */

     */
    @Nonnull
    Optional<Options> options();

    /**
     * This method returns "verbose" option value derived from multiple places: CLI options, but also CI detection,
     * if applicable.
     */
    default boolean effectiveVerbose() {
        return options().isPresent() && options().orElseThrow().verbose().orElse(false)

    public static final int DELEGATION = 0x80;
    /**
     * Context flag for mutual authentication requirement
     */
    public static final int MUTUAL_AUTHENTICATION = 0x40;
    /**
     * Context flag for replay detection capability
     */
    public static final int REPLAY_DETECTION = 0x20;
    /**
     * Context flag for sequence checking capability
     */
    public static final int SEQUENCE_CHECKING = 0x10;
    /**

            boolean canWrite = mockResource.canWrite();

            // Then
            assertTrue(exists, "Should support SMB existence checks");
            assertTrue(isFile, "Should support SMB file type detection");
            assertTrue(canRead, "Should support SMB read permission checks");
            assertTrue(canWrite, "Should support SMB write permission checks");
        }

        @Test

        SmbSession result = transport.getSmbSession(ctx, host, domain);
        assertSame(session, result);
        verify(transport).getSmbSession(eq(ctx), eq(host), eq(domain));
    }

    // SMB2 detection: true/false and exception path
    @Test
    @DisplayName("isSMB2 returns true/false and can throw")
    void isSMB2_variants() throws Exception {
        when(transport.isSMB2()).thenReturn(true, false);

                u = StringUtil.EMPTY;
            }
        }
        return u;
    }

    /**
     * Decodes a URL as a name using appropriate character encoding.
     * Handles encoding detection from parent URLs and configuration settings.
     *
     * @param url the URL to decode
     * @param escapePlus whether to escape plus signs before decoding

        assertTrue(cleaned >= 2);

        assertTrue(resource1.isClosed());
        assertTrue(resource2.isClosed());
    }

    @Test
    @DisplayName("Test leak detection for unclosed resources")
    @Timeout(value = 5, unit = TimeUnit.SECONDS)
    void testLeakDetection() throws InterruptedException {
        // Create resource that will be garbage collected without closing

     */
    @Test
    public void testAuthTypeGuessing() {
        // Test guest detection
        NtlmPasswordAuthenticator guestAuth = new NtlmPasswordAuthenticator("guest", "anypass");
        assertTrue(guestAuth.isGuest());
        assertFalse(guestAuth.isAnonymous());

        // Test anonymous detection
        NtlmPasswordAuthenticator anonAuth = new NtlmPasswordAuthenticator("", new char[0]);