async getOption(itemPosition) {
        const items = await $('[data-id="lookup-options-container"]').$$('li[role="presentation"]');
        if (items[itemPosition]) {
            return new PageLookupMenuItem(items[itemPosition]);
        }
        return null;
    }
Returns a new LookupMenuItem page object of the element in item position.
@method
@param {number} itemPosition - The base 0 index of the LookupMenuItem.