import { COABalance } from '../../commonStateTypes/coaBalance/coaBalance';
import { HorizontalAccountRow, ProfitAndLossByClassHorizontalReport } from './profitAndLossClassesByClassHorizontalSelectorTypes';
/**
 * Populates `sectionHeaderBalancesSlice`, and per-account `accountReportData`, so the
 * web layer only maps selector output to tree nodes.
 */
export declare function enrichProfitAndLossByClassHorizontalReport(report: ProfitAndLossByClassHorizontalReport): void;
/**
 * Sum balances across descendant accounts (recursive).
 *
 * Parent rows in the horizontal pivot only carry their own direct postings
 * (zero for "container" accounts), so callers rendering "Total {parent}" rows
 * must aggregate from descendants to get the real per-class totals.
 *
 * Returns one `COABalance` per class column + total (same shape as the
 * enriched `balancesInTimeframe.balances`), with `amount` summed and `type`
 * set to `default_with_null_balance` for zeros. Returns `[]` when no
 * descendants have enriched data.
 */
export declare function aggregateHorizontalDescendantBalances(accounts: readonly HorizontalAccountRow[], childIndices: readonly number[], childrenByParent: Readonly<Record<number, readonly number[]>>): COABalance[];