https://github.com/baomidou/mybatis-plus/blob/6ef9181f3110fc73eb2c855fe5afcd60540ee9c9/mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/MybatisXMLLanguageDriver.java#L33-L36
https://github.com/baomidou/mybatis-plus/blob/6ef9181f3110fc73eb2c855fe5afcd60540ee9c9/mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/MybatisXMLLanguageDriver.java#L33-L36
TODO comment in 6ef9181f3110fc73eb2c855fe5afcd60540ee9c9. It's been assigned to @nieqiurong because they committed the code.