@SuppressWarnings("unchecked")
    default Optional<Object> get(int index) {
        switch (index) {
            case 0 : return (Optional<Object>)get0();
            case 1 : return (Optional<Object>)get1();
            case 2 : return (Optional<Object>)get2();
            default : throw new IndexOutOfBoundsException(String.format("Index %d is outside bounds of tuple of degree %s", index, degree()));
        }
    }
Returns the 2nd element from this tuple.

@return the 2nd element from this tuple.
common-parent/tuple/src/main/java/com/speedment/common/tuple/nullable/Tuple3OfNullables.java