return i - start;
        }
      }
      return -1;
    }

    @Override
    public Double set(int index, Double element) {
      checkElementIndex(index, size());
      double oldValue = array[start + index];
      // checkNotNull for GWT (do not optimize)
      array[start + index] = checkNotNull(element);
      return oldValue;
    }

    @Override

          return i - start;
        }
      }
      return -1;
    }

    @Override
    public Double set(int index, Double element) {
      checkElementIndex(index, size());
      double oldValue = array[start + index];
      // checkNotNull for GWT (do not optimize)
      array[start + index] = checkNotNull(element);
      return oldValue;
    }

    @Override

      @CheckForNull @Nullable ImmutableMapEntry<?, V>[] keyTable,
      int mask) {
    if (key == null || keyTable == null) {
      return null;
    }
    int index = Hashing.smear(key.hashCode()) & mask;
    for (ImmutableMapEntry<?, V> entry = keyTable[index];
        entry != null;
        entry = entry.getNextInKeyBucket()) {
      Object candidateKey = entry.getKey();

      /*

    }
    boolean negative = string.charAt(0) == '-';
    int index = negative ? 1 : 0;
    if (index == string.length()) {
      return null;
    }
    int digit = AsciiDigits.digit(string.charAt(index++));
    if (digit < 0 || digit >= radix) {
      return null;
    }
    long accum = -digit;

    long cap = Long.MIN_VALUE / radix;

    while (index < string.length()) {

    }
    boolean negative = string.charAt(0) == '-';
    int index = negative ? 1 : 0;
    if (index == string.length()) {
      return null;
    }
    int digit = AsciiDigits.digit(string.charAt(index++));
    if (digit < 0 || digit >= radix) {
      return null;
    }
    long accum = -digit;

    long cap = Long.MIN_VALUE / radix;

    while (index < string.length()) {

  }

  public final boolean addAll(int index, Collection<? extends E> newElements) {
    throw new UnsupportedOperationException();
  }

  public final E set(int index, E element) {
    throw new UnsupportedOperationException();
  }

  public final void add(int index, E element) {
    throw new UnsupportedOperationException();
  }

  public final E remove(int index) {
    throw new UnsupportedOperationException();

      int hash = element.hashCode();
      for (int j = Hashing.smear(hash); ; j++) {
        int index = j & mask;
        Object value = table[index];
        if (value == null) {
          // Came to an empty slot. Put the element here.
          elements[uniques++] = element;
          table[index] = element;
          hashCode += hash;
          break;
        } else if (value.equals(element)) {

    checkArgument(xValues.size() == yValues.size());
    PairedStatsAccumulator accumulator = new PairedStatsAccumulator();
    for (int index = 0; index < xValues.size(); index++) {
      accumulator.add(xValues.get(index), yValues.get(index));
    }
    return accumulator;
  }

  /**
   * Creates a {@link PairedStatsAccumulator} filled with the given lists of {@code x} and {@code y}

    checkArgument(values.length > 0);
    double mean = values[0];
    for (int index = 1; index < values.length; index++) {
      double value = values[index];
      if (isFinite(value) && isFinite(mean)) {
        // Art of Computer Programming vol. 2, Knuth, 4.2.2, (15)
        mean += (value - mean) / (index + 1);
      } else {
        mean = calculateNewMeanNonFinite(mean, value);
      }
    }

    @ParametricNullness
    public V get(int index) {
      refreshIfEmpty();
      return getListDelegate().get(index);
    }

    @Override
    @ParametricNullness
    public V set(int index, @ParametricNullness V element) {
      refreshIfEmpty();
      return getListDelegate().set(index, element);
    }

    @Override
    public void add(int index, @ParametricNullness V element) {
      refreshIfEmpty();