if (target == null || replacement == null) {
            throw new CrawlerSystemException("Target or replacement cannot be null.");
        }
        convertMap.put(target, replacement);
    }

    /**
     * Sets the conversion map.
     * @param convertMap The conversion map to set.
     */
    public void setConvertMap(final Map<String, String> convertMap) {
        if (convertMap == null) {

        // Default constructor
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.rule.RuleManager#getRule(org.codelibs.fess.crawler.entity.ResponseData)
     */
    /**
     * Gets the first rule that matches the given response data.
     * @param responseData the response data to match against
     * @return the first matching rule, or null if no rule matches
     */
    @Override

 * }
 * </pre>
 *
 * <p>Key methods:</p>
 * <ul>
 *   <li>{@link #init()} - Initializes the settings.</li>
 *   <li>{@link #get(String)} - Retrieves a setting value by key.</li>
 *   <li>{@link #set(String, Object)} - Sets a setting value by key.</li>
 *   <li>{@link #array()} - Returns an instance of ArraySettings.</li>
 *   <li>{@link #analyzer()} - Returns an instance of AnalyzerSettings.</li>

     */
    public String getCharset() {
        return charset;
    }

    /**
     * Sets the character set used for SMB operations.
     * @param charset the charset to set
     */
    public void setCharset(final String charset) {
        this.charset = charset;
    }

    /**
     * Sets the SMB authentication holder.
     *
     * @param smbAuthenticationHolder the SMB authentication holder to set

        }
    }

    /**
     * Returns the charset name.
     * @return the charsetName
     */
    public String getCharsetName() {
        return charsetName;
    }

    /**
     * Sets the charset name.
     * @param charsetName The charset name to set.
     */
    public void setCharsetName(final String charsetName) {
        this.charsetName = charsetName;
    }

    }

    /**
     * Returns the character set used for content encoding.
     * @return the charset
     */
    public String getCharset() {
        return charset;
    }

    /**
     * Sets the character set used for content encoding.
     * @param charset the charset to set
     */
    public void setCharset(final String charset) {
        this.charset = charset;
    }

    /*