export declare const shopifyGidToId: (gid: string) => string; export declare const shopifyIdToGid: (type: string, id: string | number) => string; export declare const toShopName: (domain: string) => string; export declare const itemToProductRefs: (item: { productId: number; variantId: number | null; } | null | undefined) => { product?: { id: string; }; variant?: { id: string; } | null; };