* {@code get(null)}, {@code keySet().contains(null)} or {@code remove(null)}.
   */
  ALLOWS_NULL_KEY_QUERIES,
  ALLOWS_NULL_KEYS(ALLOWS_NULL_KEY_QUERIES),
  /**
   * The map does not throw {@code NullPointerException} on calls such as {@code
   * containsValue(null)}, {@code values().contains(null)} or {@code values().remove(null)}.
   */
  ALLOWS_NULL_VALUE_QUERIES,

        this.sessionKey = sessionKey != null ? sessionKey.clone() : null;
        this.preauthIntegrityHash = preauthHash != null ? preauthHash.clone() : null;

        // Generate unique session ID for key management
        this.sessionId = String.format("smb-enc-%d-%d", System.currentTimeMillis(), secureRandom.nextLong());

        if (keyManager != null) {
            // Store keys securely

        if (os == null) {
            return false;
        }
        return true;
    }

    private boolean ensureAtLeastOneNonNull(ActivationOS os) {
        return os.getArch() != null || os.getFamily() != null || os.getName() != null || os.getVersion() != null;
    }

    private boolean determineVersionMatch(String expectedVersion, String actualVersion) {
        String test = expectedVersion;

        final String value = getHttpFileuploadMaxSize();
        return value != null ? DfTypeUtil.toLong(value) : null;
    }

    String getHttpFileuploadThresholdSize();

    default Long getHttpFileuploadThresholdSizeAsLong() {
        final String value = getHttpFileuploadThresholdSize();
        return value != null ? DfTypeUtil.toLong(value) : null;
    }

    String getPasswordInvalidAdminPasswords();

    protected final ColumnInfo _columnPermissions = cci("permissions", "permissions", null, null, String[].class, "permissions", null,
            false, false, false, "keyword", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnToken = cci("token", "token", null, null, String.class, "token", null, false, false, false, "keyword",

            if (this.path != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.path);

            }
            if (this.comment != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.comment);

            }
            if (this.stores != null) {
                _dst = _dst.deferred;

  /** The low-level TCP socket. */
  private var rawSocket: JavaNetSocket? = null

  /**
   * The application layer socket. Either an [SSLSocket] layered over [rawSocket], or [rawSocket]
   * itself if this connection does not use SSL.
   */
  internal var javaNetSocket: JavaNetSocket? = null
  private var handshake: Handshake? = null
  private var protocol: Protocol? = null
  private lateinit var socket: BufferedSocket

        return new InnerInterpolator() {
            @Override
            public String interpolate(String value) {
                if (value != null && value.contains("${")) {
                    String c = cache.get(value);
                    if (c == null) {
                        try {
                            c = interpolator.interpolate(value, recursionInterceptor);

        final int prime = 31;
        int result = 1;
        result = prime * result + ((value1 == null) ? 0 : value1.hashCode());
        result = prime * result + ((value2 == null) ? 0 : value2.hashCode());
        result = prime * result + ((value3 == null) ? 0 : value3.hashCode());
        result = prime * result + ((value4 == null) ? 0 : value4.hashCode());
        return result;
    }

    @Override

     * Note: Current implementation throws NullPointerException for null strings.
     */
    @Test
    void testCheck_withNullStringAndZeroPointer() {
        // A zero pointer indicates a null string
        PacUnicodeString pacString = new PacUnicodeString((short) 0, (short) 0, 0);
        String testString = null;