import { Currency } from '../../../shared/enums.js';
import type { LedgerProto } from '../../../shared/types/index.js';
/**
 * Aggregates all main ledger entries of a single conversion side (base or quote) into one
 * representative LedgerProto. The entries are expected to share the same currency; foreign and
 * local amounts are summed while meta fields are copied from the first entry. For a side with a
 * single entry the result is equivalent to that entry.
 */
export declare function aggregateConversionSideEntries(entries: LedgerProto[]): LedgerProto;
export declare function conversionFeeCalculator(base: LedgerProto, quote: LedgerProto, officialRate: number, defaultLocalCurrency: Currency): number;