/**
 * Platform currency registry (v1: CZK + EUR, all exponent 2).
 * Extensible via this module + seed — not a Prisma enum.
 */
export declare const CURRENCY_CODES: readonly ["CZK", "EUR"];
export type CurrencyCode = (typeof CURRENCY_CODES)[number];
export declare const PLATFORM_DEFAULT_CURRENCY: CurrencyCode;
export declare const CURRENCY_MINOR_EXPONENT: 2;
export type CurrencyAcceptanceMode = 'SINGLE' | 'MULTI';
export declare function isCurrencyCode(value: unknown): value is CurrencyCode;
/** Runtime shopper initial: CZK if allowed, else sole allow-list currency. */
export declare function resolveRuntimeDefaultCurrency(allowedCurrencies: readonly string[]): CurrencyCode | null;
export declare function assertCurrencyCode(value: string): CurrencyCode;
/** Normalize SP/tenant accepted list to registry codes (deduped, uppercased). */
export declare function normalizeAcceptedCurrencies(acceptedCurrencies: readonly string[] | null | undefined): CurrencyCode[];
/**
 * Prefer tenant defaultCurrency if registry (+ ⊆ allow when allow non-empty); else runtime-default of allow; else PLATFORM_DEFAULT_CURRENCY.
 */
export declare function resolveHealPreferredDefault(input: {
    readonly defaultCurrency?: string | null;
    readonly allowedCurrencies?: readonly string[] | null;
}): CurrencyCode;
/**
 * Non-empty accepted list for public shop/checkout.
 * Prefer SP accepted when non-empty (preferredDefault ignored — only used when accepted empty);
 * else preferredDefault if registry; else CZK.
 */
export declare function ensureAcceptedCurrenciesForCheckout(acceptedCurrencies: readonly string[] | null | undefined, preferredDefault?: string | null): CurrencyCode[];
/**
 * Show checkout currency picker when SP is MULTI and ≥2 accepted currencies.
 */
export declare function shouldShowCheckoutCurrencyPicker(mode: string | null | undefined, acceptedCurrencies: readonly string[] | null | undefined): boolean;
export interface CatalogPriceRowLike {
    readonly currency: string;
    readonly amountMajor: number;
}
/**
 * Dual list prices: prefer ProductPrice-shaped row matching session currency.
 * When session currency is set: never soft-fall back to Product.price for a
 * missing currency (esp. EUR) — that would show a CZK-shaped amount.
 * Legacy `price` fallback only when session currency is absent/empty, or when
 * prices[] was never projected and session is CZK (admin/list convenience).
 */
export declare function resolveCatalogUnitPriceMajor(product: {
    readonly price: number;
    readonly prices?: readonly CatalogPriceRowLike[] | null;
}, sessionCurrency: string | null | undefined): number;
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