String input;
        String escaped;
        String[] parsed;

        // Text with comma gets quoted, but parse preserves quotes
        input = "with,comma";
        escaped = KuromojiCSVUtil.quoteEscape(input); // "with,comma"
        parsed = KuromojiCSVUtil.parse(escaped);
        assertEquals(1, parsed.length);

import java.util.regex.Pattern;

/**
 * Utility class for parsing CSV text
 */
public final class KuromojiCSVUtil {
    private static final char QUOTE = '"';

    private static final char COMMA = ',';

    private static final Pattern QUOTE_REPLACE_PATTERN = Pattern.compile("^\"([^\"]+)\"$");

    private static final String ESCAPED_QUOTE = "\"\"";

    private KuromojiCSVUtil() {
    } // no instance!!!

    @Override
    public String toString() {
        return "PrunedTag [tag=" + tag + ", id=" + id + ", css=" + css + ", attrName=" + attrName + ", attrValue=" + attrValue + "]";
    }

    /**
     * Parses a comma-separated string of pruned tag configurations into an array of PrunedTag objects.
     * Each tag configuration follows the pattern: tagname[attr=value].classname#id
     *
     * Examples:

        // Test toString with special characters
        String name = "special[]param";
        String[] values = { "[value]", ",comma,", "quote\"test" };
        RequestParameter param = new RequestParameter(name, values);

        String expected = "[special[]param, [[value], ,comma,, quote\"test]]";
        assertEquals(expected, param.toString());
    }

    @Test
    public void test_immutability() {

 *   -n, --name name               : Name for the crawling session
 *   -w, --webConfigIds ids        : Comma-separated web config IDs
 *   -f, --fileConfigIds ids       : Comma-separated file config IDs
 *   -d, --dataConfigIds ids       : Comma-separated data config IDs
 *   -p, --properties path         : Properties file path
 *   -e, --expires days            : Expires for documents (in days)

    /** Dictionary identifier */
    @Required
    public String dictId;

    /** CRUD operation mode (CREATE, EDIT, etc.) */
    @ValidateTypeFailure
    public Integer crudMode;

    /** Input terms (comma-separated) that will be mapped to the output term */
    @Required
    @Size(max = 1000)
    public String inputs;

    /** Output term that input terms will be mapped to */
    @Size(min = 1, max = 1000)

            }
        }
        return event;
    }

    /**
     * Factory method to create an ErrorToWarnRewritePolicy instance.
     *
     * @param loggerNamePrefix comma-separated list of logger name prefixes
     * @return a new ErrorToWarnRewritePolicy instance
     */
    @PluginFactory

        return cal;
    }

    /**
     * Adds a new interval rule to the rule list.
     *
     * @param from the start time in HH:MM format
     * @param to the end time in HH:MM format
     * @param days comma-separated list of days (1=Sunday, 7=Saturday)
     * @param delay the delay in milliseconds to apply during this interval
     */

rate.limit.block.duration.ms=300000
# Retry-After header value in seconds.
rate.limit.retry.after.seconds=60
# Comma-separated list of whitelisted IPs (e.g., 127.0.0.1,::1).
rate.limit.whitelist.ips=127.0.0.1,::1
# Comma-separated list of blocked IPs.
rate.limit.blocked.ips=
# Comma-separated list of trusted proxy IPs. Only trust X-Forwarded-For/X-Real-IP from these IPs.
rate.limit.trusted.proxies=127.0.0.1,::1

        assertTrue(pattern.contains("secret"));
    }

    // Test array field parsing
    @Test
    public void test_arrayFieldParsing() {
        // Test parsing of comma-separated values
        String[] arrayFields = fessConfig.getIndexAdminArrayFields().split(",");
        assertNotNull(arrayFields);
        assertEquals(2, arrayFields.length);