// Initialize ServerData to avoid NullPointerException
        SmbTransport.ServerData serverData = transport.new ServerData();
        serverData.security = 0; // Set to 0 or appropriate value for SECURITY_SHARE
        serverData.encryptionKey = new byte[8]; // Initialize with empty encryption key

        // Configure the mock transport with the server data

            buf.setIndex(0);
            this.securityProvider.wrap(buf);
        }
        return buf;
    }

    /**
     * Sets the DCERPC security provider for authentication and message protection
     * @param securityProvider the security provider to use for DCERPC authentication
     */
    public void setDcerpcSecurityProvider(final DcerpcSecurityProvider securityProvider) {

    /**
     * Impersonation level - server can impersonate the client's security context on the local system
     */
    public static final int SMB2_IMPERSONATION_LEVEL_IMPERSONATION = 0x2;

    /**
     * Delegate impersonation level - server can impersonate the client's security context on remote systems
     */
    public static final int SMB2_IMPERSONATION_LEVEL_DELEGATE = 0x3;

    /**

        }
    }

    @Nested
    @DisplayName("Configuration Tests")
    class ConfigurationTests {

        @Test
        @DisplayName("Should set security provider")
        void testSetDcerpcSecurityProvider() {
            // When: Setting security provider
            handle.setDcerpcSecurityProvider(mockSecurityProvider);

            // Then: Should not throw exception (private field, no direct verification)

import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Set Info request message. This command is used to modify file attributes,
 * security information, or other metadata on the server.
 *
 * @author mbechler
 *
 */
public class Smb2SetInfoRequest extends ServerMessageBlock2Request<Smb2SetInfoResponse> implements RequestWithFileId {

import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.security.auth.kerberos.KerberosKey;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.MockedConstruction;
import org.mockito.Mockito;

import jcifs.pac.PACDecodingException;

							jcifs*;version="${osgi.pkg.version}",
						</Export-Package>
						<Private-Package />
						<Import-Package>
							jakarta.servlet*;resolution:=optional,
							com.sun.security.jgss;resolution:=optional,
							org.bouncycastle*;version="1.63",
							!jcifs.internal*,
							*
						</Import-Package>
					</instructions>
				</configuration>
			</plugin>
			<plugin>

    static final int FILE_SEQUENTIAL_ONLY = 0x00000004;
    static final int FILE_SYNCHRONOUS_IO_ALERT = 0x00000010;
    static final int FILE_SYNCHRONOUS_IO_NONALERT = 0x00000020;

    // security flags
    static final int SECURITY_CONTEXT_TRACKING = 0x01;
    static final int SECURITY_EFFECTIVE_ONLY = 0x02;

    private int rootDirectoryFid;

    private final int extFileAttributes;

     * Any change to the extended attributes (EA) of a file in the watched directory or subtree causes a change notification wait operation to return.
     */
    int FILE_NOTIFY_CHANGE_EA = 0x00000080;

    /**
     * Any security-descriptor change in the watched directory or subtree causes a change notification wait operation to
     * return.
     */
    int FILE_NOTIFY_CHANGE_SECURITY = 0x00000100;

    /**

    }

    /** Simple test stub of {@link ServerData} */
    private static class ServerDataStub extends ServerData {
        public ServerDataStub() {
            this.security = SmbConstants.SECURITY_USER;
            this.encryptedPasswords = false;
            this.encryptionKey = new byte[0];
        }
    }

    @Test
    void anonymousGuestCredentials() throws Exception {