private static class Holder<T> {
    List<T>[] matrix;

    void setList(List<T> list) {}
  }

  public void testWildcardCaptured_methodParameter_upperBound() throws Exception {
    TypeToken<Holder<?>> type = new TypeToken<Holder<?>>() {};
    ImmutableList<Parameter> parameters =
        type.method(Holder.class.getDeclaredMethod("setList", List.class)).getParameters();

    String QUERY_DEFAULT_LANGUAGES = "queryDefaultLanguages";

    String HTML_PROXY = "httpProxy";

    String CRAWLER_FAILURE_URL_STATUS_CODES = "crawlerFailureUrlStatusCodes";

    String VIRTUAL_HOST_HEADERS = "virtualHostHeaders";

    String QUERY_COLLAPSE_INNER_HITS_SORTS = "queryCollapseInnerHitsSorts";

    String USER_CODE_PATTERN = "userCodePattern";

        this.maxEsStatusRetry = maxEsStatusRetry;
    }

    @Override
    public Client filterWithHeader(final Map<String, String> headers) {
        return client.filterWithHeader(headers);
    }

    @Override
    public <Request extends ActionRequest, Response extends ActionResponse> ActionFuture<Response> execute(

import static com.google.common.collect.Maps.transformValues;
import static com.google.common.collect.Maps.unmodifiableNavigableMap;
import static com.google.common.collect.testing.Helpers.mapEntry;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;

import static com.google.common.collect.Maps.transformValues;
import static com.google.common.collect.Maps.unmodifiableNavigableMap;
import static com.google.common.collect.testing.Helpers.mapEntry;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;

        DirContextHolder holder = contextLocal.get();
        if (holder != null) {
            holder.inc();
            return holder;
        }
        final Hashtable<String, String> env = envSupplier.get();
        try {
            holder = new DirContextHolder(new InitialDirContext(env));
            contextLocal.set(holder);
            return holder;
        } catch (final NamingException e) {

  private static class Holder<T> {
    List<T>[] matrix;

    void setList(List<T> list) {}
  }

  public void testWildcardCaptured_methodParameter_upperBound() throws Exception {
    TypeToken<Holder<?>> type = new TypeToken<Holder<?>>() {};
    ImmutableList<Parameter> parameters =
        type.method(Holder.class.getDeclaredMethod("setList", List.class)).getParameters();

      return 1;
    }
  }

  static final Ticker NULL_TICKER =
      new Ticker() {
        @Override
        public long read() {
          return 0;
        }
      };

  // We use a holder class to delay initialization: https://github.com/google/guava/issues/6566
  private static final class LoggerHolder {
    static final Logger logger = Logger.getLogger(CacheBuilder.class.getName());
  }