if (newCount > array.length) {
        array = Arrays.copyOf(array, expandedCapacity(array.length, newCount));
      }
    }

    // Unfortunately this is pasted from ImmutableCollection.Builder.
    private static int expandedCapacity(int oldCapacity, int minCapacity) {
      if (minCapacity < 0) {

      if (newCount > array.length) {
        array = Arrays.copyOf(array, expandedCapacity(array.length, newCount));
      }
    }

    // Unfortunately this is pasted from ImmutableCollection.Builder.
    private static int expandedCapacity(int oldCapacity, int minCapacity) {
      if (minCapacity < 0) {

generate(b); err != nil { return nil, nil, err } // Take only the leftmost bits of the generated random value. This is // both necessary to increase the chance of the random value being in // the correct range and to match the specification. It's unfortunate // that we need to do a shift instead of a mask, but see the comment on // rightShift. // // These are the most dangerous lines in the package and maybe in the // library: a single bit of bias in the selection of nonces would likely // lead to key...