import { Brand, Entity, Merchant, MerchantInfo } from '../types/index.js';
/**
 * Custom hook to get selected merchant details.
 * All three derived values are computed in a single useMemo to reduce
 * hook bookkeeping — each value depends on the previous one so a single
 * pass is both correct and cheaper.
 */
export declare const useSelectedMerchantDetails: (selectedValue: MerchantInfo | undefined, selectedBrand?: Brand) => {
    selectedBrand: Brand | undefined;
    selectedEntity: (import("../types/index.js").EntityDetails & Entity) | undefined;
    selectedMerchant: Merchant | undefined;
    displayName: string;
};