presto-benchmark/src/main/java/io/prestosql/benchmark/JsonAvgBenchmarkResultWriter.java/JsonAvgBenchmarkResultWriter/getValue
class JsonAvgBenchmarkResultWriter:    private long getValue(Map<String, Long> results, String name)
    {
        Long value = results.get(name);
        if (value == null) {
            return 0;
        }
        return value;
    }