import type { ProductGroups, ProductGroupsQuery } from '../CommerceTypes';
/**
 * Methods to request a group of product indexes from a data source
 */
export interface ProductGroupDataSource {
    /**
     * Fetch a group of product indexes keyed by a `groupBy`
     *
     * @param query A query including a `groupBy` used to fetch
     * product indexes from a data source and organize them by
     * @return A dictionary of ProductIndexes grouped by the
     * `groupBy`
     */
    fetchProductGroups: (query: ProductGroupsQuery) => Promise<ProductGroups>;
}