import type { Product, ProductVariant } from "../types";
import type { ProductFieldsFragment, ProductVariantDataFieldsFragment } from "./types/storefront.generated";
import type { HasMetafieldsIdentifier } from "./types/storefront.types";
/**
 * Shared metafield normalization used by both the single-product loader
 * (`load-product.ts`) and the batched loader (`load-products-by-ids.ts`).
 *
 * The Storefront API returns metafields as a flat array of
 * `{ namespace, key, value }`; the SDK's `Product`/`ProductVariant` types
 * expose them as a nested `{ [namespace]: { [key]: value } }` map. These
 * helpers convert between the two and seed the map with every requested
 * namespace so consumers can index without existence checks.
 */
export declare const uniqueNamespaces: (identifiers: ReadonlyArray<HasMetafieldsIdentifier>) => string[];
export declare const withNormalizedVariantMetafields: (raw: ProductVariantDataFieldsFragment, variantNamespaces: string[]) => ProductVariant;
/**
 * `variant` is a query-level alias (`variantBySelectedOptions`) that only the
 * single-product query selects, so it's optional here to keep this helper
 * reusable by the batched loader, whose product nodes don't include it.
 */
type RawProductFields = ProductFieldsFragment & {
    variant?: ProductVariantDataFieldsFragment | null;
};
export declare const withNormalizedProductMetafields: (raw: RawProductFields | null, productNamespaces: string[], variantNamespaces: string[]) => Product | null;
export {};