001package org.slf4j;
002
003import org.junit.Test;
004
005public class LoggerUsage {
006
007        @Test
008        public void test() {
009                org.slf4j.Logger logger = LoggerFactory.getLogger("aa");
010                logger.atTrace().addKeyValue("a", "n").setCause(new Throwable()).log("aa");
011        }
012
013}