private static void writeOutputToStandardOut() {
        try {
            ObjectMapper objectMapper = new ObjectMapper();
            objectMapper.enable(SerializationFeature.INDENT_OUTPUT);
            objectMapper.writeValue(System.out, output);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
A benchmark that tests the indexing and search performance.

@author bjorncs
predicate-search/src/main/java/com/yahoo/search/predicate/benchmarks/PredicateIndexBenchmark.java