import { Currency } from '../../../__generated__/types.js';
import type { LedgerProto } from '../../../shared/types/index.js';
export declare function getConversionBankRate(base: LedgerProto, quote: LedgerProto): number;
export declare function conversionFeeCalculator(base: LedgerProto, quote: LedgerProto, officialRate: number, defaultLocalCurrency: Currency, localCurrencyRate?: number): {
    localAmount: number;
    foreignAmount?: number;
    currency: Currency;
};