an class="keyword">bool</span> <span class="identifier">Enable</span><span class="special">&gt;</span></code></strong></span>:
            The hook will be optimized for size instead of speed. The hook will embed
            the balance bits of the AVL tree node in the parent pointer if pointer
            alignment is multiple of 4. In some platforms, optimizing the size might
            reduce speed performance a bit since masking operations will be needed
            to access parent pointer and balance