@SuppressWarnings("unchecked")
    public V value(int i) {
        return (V) store[capacity + i];
    }
Obtain a value. Values are accessed in the order in which
theirs keys were first inserted.

@return the requested value
@param i the index of the value, must be in the range [0, size() - 1]
vespajlib/src/main/java/com/yahoo/collections/Hashlet.java