* <li>Base64 encoding for text operations</li>
 * </ul>
 * <p>
 * <strong>Security Considerations:</strong>
 * </p>
 * <ul>
 * <li>Default Blowfish algorithm is suitable for general-purpose encryption</li>
 * <li>For high-security applications, consider using AES with GCM mode via {@link #setAlgorithm(String)} and {@link #setTransformation(String)}</li>

            } while (retry-- > 0);

            dc_list_expiration = now + 1000 * 60 * 15; /* 15 min */
        }

        throw new UnknownHostException("Failed to negotiate with a suitable domain controller for " + DOMAIN);
    }

    /**
     * Retrieves the NTLM challenge from the specified domain controller.
     *
     * @param dc the domain controller address

    Library will not necessarily be able to recompile the application
    to use the modified definitions.)

    b) Use a suitable shared library mechanism for linking with the
    Library.  A suitable mechanism is one that (1) uses at run time a
    copy of the library already present on the user's computer system,
    rather than copying library functions into the executable, and (2)

 *
 * <p>
 * It also allows defining field rules using XPath expressions to extract specific data from the XML document and map it to fields in the ResultData.
 * The extracted data is then formatted into an XML structure suitable for indexing.
 * </p>
 *
 * <p>
 * The class uses a cache for XPathAPI objects to improve performance. The cache duration is configurable.
 * </p>
 *
 * <p>

                    }
                    return true;
                }).collect(Collectors.joining("\n")));
    }

    /**
     * Converts a GSA URL pattern into a regular expression pattern suitable for Fess.
     * Handles various GSA pattern formats including regexp, contains, and URL-based patterns.
     *
     * @param s the input GSA pattern string

        if (isDirectory()) {
            path += '/';
        }
        return path;
    }

    /**
     * Retrieve the time this <code>SmbFile</code> was created. The value
     * returned is suitable for constructing a {@link java.util.Date} object
     * (i.e. seconds since Epoch 1970). Times should be the same as those
     * reported using the properties dialog of the Windows Explorer program.
     *