public void info(Marker marker, String msg, Throwable t) {
        if (!logger.isInfoEnabled(marker))
            return;
        if (instanceofLAL) {
            ((LocationAwareLogger) logger).log(marker, fqcn, LocationAwareLogger.INFO_INT, msg, null, t);
        } else {
            logger.info(marker, msg, t);
        }
    }
Delegate to the appropriate method of the underlying logger.
slf4j-ext/src/main/java/org/slf4j/ext/LoggerWrapper.java