public void printSqls(PrintStream out) {
        List<Pair<Integer, String>> sqls = syncCopy(sqlIdMap);
        sqls.sort(COMPARATOR);
        List<String> sqlList = toStringList(sqls);
        printEntries(out, sqlList);
    }
@author Jongho Moon
@author jaehong.kim
agent-module/profiler-test/src/main/java/com/navercorp/pinpoint/profiler/test/TestDataSender.java