The JSON held in the #product-details element's data-product dataset
(and re-emitted inside the variant refresh AJAX response). Describes the
currently-selected combination of a PrestaShop product.
Response shape of the PrestaShop product refresh AJAX endpoint
(controller=product&action=refresh) used to price a non-default size.
product_details is an HTML fragment carrying the selected combination's
data-product dataset.
A single attribute of a PrestaShop product combination, keyed by attribute group id in LeroChemDataProduct.attributes. For LeroChem the only group is "Size/capacity", whose
nameis a pack size like "1 L" or "5 L".