import { COABalanceGroupedByPeriod } from '../coaBalance';
/**
 *
 * @param coaBalanceSlices Given a set of balance slices, this function will extract all balances for the same period
 * across each slice and sum them up
 * @returns
 */
export declare const getDifferenceOfBalancesGroupedByPeriod: (groupedBalancesA: COABalanceGroupedByPeriod | undefined, groupedBalancesB: COABalanceGroupedByPeriod | undefined) => COABalanceGroupedByPeriod;