return delegate().submit(task);
  }

  @Override
  public <T extends @Nullable Object> ListenableFuture<T> submit(
      Runnable task, @ParametricNullness T result) {
    return delegate().submit(task, result);
  }

   */
  @get:JvmName("cacheControl")
  val cacheControl: CacheControl
    get() {
      var result = lazyCacheControl
      if (result == null) {
        result = CacheControl.parse(headers)
        lazyCacheControl = result
      }
      return result
    }

  @JvmName("-deprecated_url")
  @Deprecated(
    message = "moved to val",

    }

    private transient EntrySet entrySet;

    @Override
    public Set<Multiset.Entry<E>> entrySet() {
      EntrySet result = entrySet;
      if (result == null) {
        entrySet = result = new EntrySet();
      }
      return result;
    }

    @Override
    int distinctElements() {
      return countMap.size();
    }

    @Override
    public boolean isEmpty() {

    assert n1 <= n2;
    if (IntMath.log2(n2, CEILING) * (n2 - n1) < Long.SIZE - 1) {
      // the result will definitely fit into a long
      long result = 1;
      for (int i = n1 + 1; i <= n2; i++) {
        result *= i;
      }
      return BigInteger.valueOf(result);
    }

    /*
     * We want each multiplication to have both sides with approximately the same number of digits.

  public static <K, V> SortedSetMultimapTestSuiteBuilder<K, V> using(
      TestSetMultimapGenerator<K, V> generator) {
    SortedSetMultimapTestSuiteBuilder<K, V> result = new SortedSetMultimapTestSuiteBuilder<>();
    result.usingGenerator(generator);
    return result;
  }

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {

  }

  @Benchmark
  byte hashing(int reps) {
    byte result = 0x01;
    HashMethod hashMethod = this.hashMethod;
    Algorithm algorithm = this.algorithm;
    for (int i = 0; i < reps; i++) {
      result ^= hashMethod.hash(algorithm, testBytes)[0];
    }
    return result;
  }

    if (inverse != null) {
      return inverse;
    } else {
      // racy single-check idiom
      ImmutableBiMap<V, K> result = lazyInverse;
      if (result == null) {
        return lazyInverse = new SingletonImmutableBiMap<>(singleValue, singleKey, this);
      } else {
        return result;
      }
    }
  }

  // redeclare to help optimizers with b/310253115
  @SuppressWarnings("RedundantOverride")

      BaseEncoding result = upperCase;
      if (result == null) {
        Alphabet upper = alphabet.upperCase();
        result = upperCase = (upper == alphabet) ? this : newInstance(upper, paddingChar);
      }
      return result;
    }

    @Override
    public BaseEncoding lowerCase() {
      BaseEncoding result = lowerCase;
      if (result == null) {

      if (interopTests.isEmpty()) return listOf<Any>(Story.MISSING)

      val result = mutableListOf<Any>()
      for (interopTestName in interopTests) {
        val stories = HpackJsonUtil.readStories(interopTestName)
        result.addAll(stories)
      }
      return result
    }

    /**
     * Checks if `expected` and `observed` are equal when viewed as a set and headers are

  public static <K, V> ConcurrentMapTestSuiteBuilder<K, V> using(TestMapGenerator<K, V> generator) {
    ConcurrentMapTestSuiteBuilder<K, V> result = new ConcurrentMapTestSuiteBuilder<>();
    result.usingGenerator(generator);
    return result;
  }

  @SuppressWarnings("rawtypes") // class literals
  static final List<? extends Class<? extends AbstractTester>> TESTERS =
      asList(