}
        return cipher;
    }

    /**
     * Offers an encryption cipher back to the queue.
     *
     * @param cipher
     *            the cipher to offer
     */
    protected void offerEncryptoCipher(final Cipher cipher) {
        encryptoQueue.offer(cipher);
    }

    /**
     * Polls a decryption cipher from the queue, creating a new one if none are available.
     *

        SMBUtil.writeInt4(bc, buf, 4); // ByteCount
        if (bc > 0 && errorData != null) {
            System.arraycopy(errorData, 0, buf, 8, bc);
        }
        return buf;
    }

    @Test
    void decodesErrorStructureThroughReadBytesWireFormat() throws Exception {
        // For STATUS_INVALID_PARAMETER the override makes isErrorResponseStatus() return false,

     * editable flags, user roles, and forum links.
     * </p>
     *
     * @param runtime the action runtime context
     */
    @Override
    protected void setupHtmlData(final ActionRuntime runtime) {
        super.setupHtmlData(runtime);
        systemHelper.setupAdminHtmlData(this, runtime);

        final Boolean editable =

    //                                                                              Assist
    //                                                                              ======
    @Override
    protected void prepareAssistDirection(final FwAssistDirection direction) {
        direction.directConfig(nameList -> nameList.add("fess_config.properties"), "fess_env.properties");
    }

    /**
     * Sets the DES encryption key
     * @param key the 8-byte DES key
     */
    public void setKey(final byte[] key) {

        // CHECK PAROTY TBD
        deskey(key, true, encryptKeys);
        deskey(key, false, decryptKeys);
    }

    // Turn an 8-byte key into internal keys.
    private void deskey(final byte[] keyBlock, final boolean encrypting, final int[] KnL) {

        int i, j, l, m, n;

     * @param isDirectory true if directory
     * @param attributes file attributes
     * @param creationTime creation time
     * @param lastAccessTime last access time
     */
    public void updateChild(String childName, long size, long lastModified, boolean isDirectory, long attributes, long creationTime,
            long lastAccessTime) {
        lock.writeLock().lock();
        try {

        }

        public void incrementConnections() {
            activeConnections.incrementAndGet();
        }

        public void decrementConnections() {
            activeConnections.decrementAndGet();
        }

        public boolean isHealthy() {
            return isHealthy;
        }

        public void setHealthy(boolean healthy) {
            this.isHealthy = healthy;

     */
    public void setUseEPSVwithIPv4(final boolean useEPSVwithIPv4) {
        this.useEPSVwithIPv4 = useEPSVwithIPv4;
    }

    /**
     * Sets the FTP authentication holder.
     * @param ftpAuthenticationHolder The FtpAuthenticationHolder to set.
     */
    public void setFtpAuthenticationHolder(final FtpAuthenticationHolder ftpAuthenticationHolder) {

     */
    public AuthenticationManager() {
        // Default constructor
    }

    /**
     * Inserts a new user across all authentication chains.
     * @param user The user to insert.
     */
    public void insert(final User user) {
        chains().of(stream -> stream.forEach(c -> c.update(user)));
    }

    /**
     * Changes the password for a user across all authentication chains.

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;

import org.junit.jupiter.api.Test;

class AvPairTest {

    @Test
    void testConstructorAndGetters() {
        // Test with a valid type and raw data
        int type = AvPair.MsvAvTimestamp;
        byte[] raw = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        AvPair avPair = new AvPair(type, raw);