@BeforeExperiment
  void setUp() {
    eventBus = new EventBus("for benchmarking purposes");
    eventBus.register(this);
  }

  @Benchmark
  void postStrings(int reps) {
    for (int i = 0; i < reps; i++) {
      eventBus.post("hello there");
    }
  }

  @Subscribe
  public void handleStrings(String string) {
    // Nothing to do here.
  }

    }
    data = sb.toString();
  }

  @Benchmark
  public long timeCopy(int reps) throws IOException {
    long r = 0;
    final String localData = data;
    final TargetSupplier localTarget = target;
    final CopyStrategy localStrategy = strategy;
    for (int i = 0; i < reps; i++) {
      Appendable appendable = localTarget.get(localData.length());

    }
    data = sb.toString();
  }

  @Benchmark
  public long timeCopy(int reps) throws IOException {
    long r = 0;
    final String localData = data;
    final TargetSupplier localTarget = target;
    final CopyStrategy localStrategy = strategy;
    for (int i = 0; i < reps; i++) {
      Appendable appendable = localTarget.get(localData.length());

    requests.set(0);
    misses.set(0);
  }

  @Benchmark
  int time(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      dummy += cache.getUnchecked(nextRandomKey());
    }
    requests.addAndGet(reps);
    return dummy;
  }

  private int nextRandomKey() {
    int a = random.nextInt(max);

    /*

    /**
     * Maven central repository URL.
     * The property will have the value of the <code>MAVEN_REPO_CENTRAL</code>
     * environment variable if it is defined.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "https://repo.maven.apache.org/maven2")
    public static final String MAVEN_REPO_CENTRAL = "maven.repo.central";

    /**

                    afe.getMessage());
        }
        // but ok from repo: local disk is ignored
        testInheritance("tricky-flat-artifactId-urls", true);

        // parent references child with directory name (which is not artifact id)
        // then relative path calculation will success during build from disk but fail when calculated from repo
        testInheritance("tricky-flat-directory-urls", false);

                         "MAVEN_OPTS=-Xms2g -Xmx4g -Djava.awt.headless=true"]) {                   
                    sh "mvn clean ${MAVEN_GOAL} -B -U -e -fae -V -Dmaven.test.failure.ignore -PversionlessMavenDist -Dmaven.repo.local=${WORK_DIR}/.repository"
                }
            } finally {
                junit testResults: '**/target/surefire-reports/*.xml,**/target/failsafe-reports/*.xml', allowEmptyResults: true
            }    

        assertSame(mirrorC, mirrorSelector.getMirror(repo, Arrays.asList(mirrorC)));
        assertNull(mirrorSelector.getMirror(repo, Arrays.asList(mirrorD)));
    }

    /**
     * Build an ArtifactRepository object.
     *
     * @param id
     * @param url
     * @return
     */
    private ArtifactRepository getRepo(String id, String url) {

      queue.add(random.nextInt());
    }
  }

  @Benchmark
  void pollAndAdd(int reps) {
    for (int i = 0; i < reps; i++) {
      // TODO(kevinb): precompute random #s?
      queue.add(queue.poll() ^ random.nextInt());
    }
  }

  @Benchmark
  void populate(int reps) {
    for (int i = 0; i < reps; i++) {
      queue.clear();
      for (int j = 0; j < size; j++) {

    if (omitNulls) {
      helper = helper.omitNullValues();
    }
    return helper;
  }

  @Benchmark
  int toString(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      MoreObjects.ToStringHelper helper = newHelper();
      for (int j = 0; j < dataSize; ++j) {
        dataset.addEntries(helper);
      }