import { HasMetafieldsIdentifier } from '../gql';
import { HasMetafieldQueryRoot } from '../types/fetcher';
import { PartialRecord } from '../utils/type-helper';
import { ProductVariant } from '../types/product';
export declare function isObjEmpty(obj?: Record<string, any>): boolean;
export declare function atobID(id: string): string | undefined;
export declare function btoaID(id: string, type?: 'ProductVariant' | 'Product'): string;
export declare const getThemeLocale: (locale: string) => string;
/**
 * 生成 metafieldIdentifiers 查询参数
 * {
 *   product: { namespace: 'product', key: 'img' },
 *   variant: { namespace: 'variant', key: 'img' }
 * }
 * =>
 * {
 *  productMetafieldIdentifiers: [{ namespace: 'combo', key: 'product' }]
 *  variantMetafieldIdentifiers: [{ namespace: 'combo', key: 'variant' }]
 * }
 */
export declare function constructMetafieldIdentifiersQueryParams<T extends HasMetafieldQueryRoot>(metafieldIdentifiers?: PartialRecord<T, HasMetafieldsIdentifier[]>, metafieldsNamespace?: string): PartialRecord<`${T}MetafieldIdentifiers`, HasMetafieldsIdentifier[]>;
export declare const referralAttributes: () => {
    key: string;
    value: string;
}[];
export declare const getNormalCoupon: ({ variant }: {
    variant?: ProductVariant;
}) => any;
//# sourceMappingURL=helper.d.ts.map