protected $deprecated_hooks = array(
        'woocommerce_structured_data_order'          => 'woocommerce_email_order_schema_markup',
        'woocommerce_add_to_cart_fragments'          => 'add_to_cart_fragments',
        'woocommerce_add_to_cart_redirect'           => 'add_to_cart_redirect',
        'woocommerce_product_get_width'              => 'woocommerce_product_width',