log4j2.12.1中的PatternConverter类不包含构造函数

import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.pattern.ConverterKeys;
import org.apache.logging.log4j.core.pattern.LogEventPatternConverter;

@Plugin(name = "CustomPatternConverter", category = "Converter")
@ConverterKeys({ "X" }) // 自定义的转换符，例如%X将会在模式字符串中表示自定义转换器
public class CustomPatternConverter extends LogEventPatternConverter {

    protected CustomPatternConverter(String[] options) {
        super("CustomPatternConverter", "custom");
    }

    public static CustomPatternConverter newInstance(String[] options) {
        return new CustomPatternConverter(options);
    }

    @Override
    public void format(LogEvent event, StringBuilder toAppendTo) {
        // 在这里实现自定义的转换逻辑
        // 可以通过event获取日志事件的属性，并将其转换为特定的格式
    }
}