import { Invoice } from '../../entities/Invoice';
export type TaxInvoiceOmTenYearAnchor = {
    invoiceId: string;
    fromIso: string;
    toIso: string;
};
/**
 * When generating supporting documents at tax-invoice time, limit O&M 10-year aggregation to:
 * - the bill being processed, and
 * - earlier bills that already left performa (non-pending).
 *
 * Excludes later performa rows (e.g. month 5 while generating month 4) and other pending proforma bills.
 */
export declare function filterInvoicesForTaxInvoiceOmTenYear(invoices: Invoice[], anchor: TaxInvoiceOmTenYearAnchor): Invoice[];
//# sourceMappingURL=filterInvoicesForTaxInvoiceOmTenYear.d.ts.map