private CollectionBenchmarkSampleData sampleData;

  @BeforeExperiment
  void setUp() {
    sampleData = new CollectionBenchmarkSampleData(true, random, 0.8, size);
  }

  @Benchmark
  int creation(int reps) {
    int x = 0;
    for (int i = 0; i < reps; i++) {
      x ^= System.identityHashCode(impl.create(sampleData.getValuesInSet()));
    }
    return x;
  }

  private Set<Element> setToTest;

  @BeforeExperiment
  void setUp() {
    CollectionBenchmarkSampleData sampleData =
        new CollectionBenchmarkSampleData(isUserTypeFast, random, hitRate, size);

    this.setToTest = (Set<Element>) impl.create(sampleData.getValuesInSet());
    this.queries = sampleData.getQueries();
  }

  @Benchmark
  boolean contains(int reps) {

  // the following must be set during setUp
  private Set<Element> setToTest;

  @BeforeExperiment
  void setUp() {
    CollectionBenchmarkSampleData sampleData =
        new CollectionBenchmarkSampleData(true, random, 0.8, size);
    setToTest = (Set<Element>) impl.create(sampleData.getValuesInSet());
  }

  @Benchmark
  int iteration(int reps) {
    int x = 0;

    for (int i = 0; i < reps; i++) {

                  aws_access_key_id='minio',
                  aws_secret_access_key='minio123',
                  region_name='us-east-1')

r = s3.select_object_content(
    Bucket='mycsvbucket',
    Key='sampledata/TotalPopulation.csv.gz',
    ExpressionType='SQL',
    Expression="select * from s3object s where s.Location like '%United States%'",
    InputSerialization={
        'CSV': {
            "FileHeaderInfo": "USE",

  @BeforeExperiment
  void setUp() {
    CollectionBenchmarkSampleData sampleData =
        new CollectionBenchmarkSampleData(isUserTypeFast, random, hitRate, size);

    if (sortedData) {
      List<Element> valueList = new ArrayList<>(sampleData.getValuesInSet());
      sort(valueList);
      values = valueList;
    } else {
      values = sampleData.getValuesInSet();
    }
    this.mapToTest = impl.create(values);