assertNotNull(SMBUtil.SMB2_HEADER);
        // The actual header is 68 bytes (4 + 2 + 2 + 2 + 2 + 4 + 2 + 2 + 4 + 4 + 8 + 4 + 4 + 8 + 8 + 8 = 68)
        assertEquals(68, SMBUtil.SMB2_HEADER.length);

        // Verify SMB2 header signature
        assertEquals((byte) 0xFE, SMBUtil.SMB2_HEADER[0]);
        assertEquals((byte) 'S', SMBUtil.SMB2_HEADER[1]);
        assertEquals((byte) 'M', SMBUtil.SMB2_HEADER[2]);

import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2FlushRequest functionality
 */
@DisplayName("Smb2FlushRequest Tests")
class Smb2FlushRequestTest {

import java.net.InetAddress;
import java.net.UnknownHostException;

/**
 * This is an internal API for managing pools of SMB connections
 *
 * @author mbechler
 *
 * <p>This interface is intended for internal use.</p>
 */
public interface SmbTransportPool {

    /**
     * Gets an SMB transport connection to the specified server.
     *
     * @param tf the CIFS context to use

            }
            if (!urlStr.startsWith("smb://")) {
                throw new MalformedURLException("Only SMB URLs are supported in the dummy implementation");
            }
            this.urlStr = urlStr;

            // Parse SMB URL manually
            String remaining = urlStr.substring(6); // Remove "smb://"
            int slashIndex = remaining.indexOf('/');
            if (slashIndex == -1) {

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb;

/**
 * Filter interface for SMB filename filtering.
 *
 * This interface allows selective filtering of filenames
 * when listing directory contents in SMB shares.
 */
public interface SmbFilenameFilter {

    /**
     * Tests whether the specified filename should be included in a file list.

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.smb;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.SmbTree;
import jcifs.internal.CommonServerMessageBlockResponse;
import jcifs.internal.Request;

/**
 * Internal SMB tree connection interface providing extended tree management capabilities.

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.smb;

import jcifs.CIFSException;

/**
 * Output stream for writing to SMB named pipes.
 *
 * This class provides a stream-based interface for writing
 * data to SMB named pipes over the network.
 *
 * @author mbechler
 */
public class SmbPipeOutputStream extends SmbFileOutputStream {

package jcifs.internal.smb2;

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.smb;

import java.io.Serializable;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;

/**
 * Unified exception class for SMB operations providing enhanced error handling,
 * retry policies, and contextual information.
 *

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.create;

import jcifs.internal.smb2.lease.Smb2LeaseKey;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Lease V1 Create Context Request
 *
 * MS-SMB2 2.2.13.2.8
 */
public class LeaseV1CreateContextRequest implements CreateContextRequest {

    /**