return false;
    }

    @Override
    public void warn(String msg) {}

    @Override
    public void warn(String format, Object arg) {}

    @Override
    public void warn(String format, Object... arguments) {}

    @Override
    public void warn(String format, Object arg1, Object arg2) {}

    @Override
    public void warn(String msg, Throwable t) {}

    @Override

     * @see org.apache.maven.plugin.logging.Log#warn(java.lang.CharSequence)
     */
    @Override
    public void warn(CharSequence content) {
        print("warn", content);
    }

    /**
     * @see org.apache.maven.plugin.logging.Log#warn(java.lang.CharSequence, java.lang.Throwable)
     */
    @Override
    public void warn(CharSequence content, Throwable error) {
        print("warn", content, error);
    }

    /**

	if l.LogLevel >= Info {
		l.Printf(l.infoStr+msg, append([]interface{}{utils.FileWithLineNum()}, data...)...)
	}
}

// Warn print warn messages
func (l *logger) Warn(ctx context.Context, msg string, data ...interface{}) {
	if l.LogLevel >= Warn {
		l.Printf(l.warnStr+msg, append([]interface{}{utils.FileWithLineNum()}, data...)...)
	}
}

// Error print error messages

    /**
     * {@return true if the <b>warn</b> error level is enabled}
     */
    boolean isWarnEnabled();

    /**
     * Sends a message to the user in the <b>warn</b> error level.
     *
     * @param content the message to log
     */
    void warn(CharSequence content);

    /**
     * Sends a message (and accompanying exception) to the user in the <b>warn</b> error level.

    /**
     * @return true if the <b>warn</b> error level is enabled
     */
    boolean isWarnEnabled();

    /**
     * Send a message to the user in the <b>warn</b> error level.
     *
     * @param content
     */
    void warn(CharSequence content);

    /**
     * Send a message (and accompanying exception) to the user in the <b>warn</b> error level.<br>

    @Override
    public void warn(CharSequence content) {
        if (isWarnEnabled()) {
            logger.warn(toString(content));
        }
    }

    @Override
    public void warn(CharSequence content, Throwable error) {
        if (isWarnEnabled()) {
            logger.warn(toString(content), error);
        }
    }

    @Override
    public void warn(Throwable error) {

    /** Array of logger name prefixes to apply the ERROR to WARN conversion */
    private final String[] loggerNames;

    /**
     * Constructs a new ErrorToWarnRewritePolicy with the specified logger names.
     *
     * @param loggerNames array of logger name prefixes to convert ERROR to WARN
     */
    public ErrorToWarnRewritePolicy(final String[] loggerNames) {

        final LogEvent event = createLogEvent(Level.WARN, "org.codelibs.fess.test", "test warn message");
        warnAppender.append(event);

        final List<LogNotificationEvent> events = ComponentUtil.getLogNotificationHelper().drainAll();
        assertEquals(1, events.size());
        assertEquals("WARN", events.get(0).getLevel());

        logger.info("", error);
    }

    @Override
    public void warn(CharSequence content) {
        logger.warn(toString(content));
    }

    @Override
    public void warn(CharSequence content, Throwable error) {
        logger.warn(toString(content), error);
    }

    @Override
    public void warn(Throwable error) {
        logger.warn("", error);
    }

    @Override

        }
    }

    /**
     * Outputs WARN information.
     *
     * @param message
     *            Message
     * @param throwable
     *            Exception
     */
    public void warn(final Object message, final Throwable throwable) {
        log.warn(toString(message), throwable);
    }

    /**
     * Outputs WARN information.
     *
     * @param message