text: public static void main(String[] args) throws IOException {if (args.length<1) {System.err.println("Usage: java QualityQueriesFinder <index-dir>");System.exit(1);}QualityQueriesFinder qqf = new QualityQueriesFinder(FSDirectory.open(Paths.get(args[0])));String q[] = qqf.bestQueries("body",20);for (int i=0; i<q.length; i++) {System.out.println(newline+formatQueryAsTrecTopic(i,q[i],null,null));}}