import type { UseCaseSpec } from '../../../fixtures/fixture-spec.js';
/**
 * Client Payment with Refund Cycle
 *
 * Models an income scenario where a client pays an invoice
 * and later receives a partial refund via a credit invoice.
 * Sign convention follows demo rules: negative amount = income,
 * positive amount = reversal/refund.
 */
export declare const clientPaymentWithRefund: UseCaseSpec;