import type { Injector } from 'graphql-modules';
import type { Pool } from 'pg';
import type { Currency } from '../shared/enums.js';
export type ModuleContextLike = {
    injector: Injector;
    moduleId: string;
    env?: unknown;
};
export type ExchangeRateMockFn = (baseCurrency: Currency, quoteCurrency: Currency, date: Date) => Promise<number>;
export declare function createLedgerTestContext(options: {
    pool: Pool;
    moduleId?: string;
    env?: unknown;
    businessId: string;
    /**
     * Optional mock function to override ExchangeProvider.getExchangeRates.
     * Use this to fix exchange rates for deterministic tests.
     * @see createMockExchangeRates, mockExchangeRate from __tests__/helpers/exchange-mock.ts
     */
    mockExchangeRates?: ExchangeRateMockFn;
}): ModuleContextLike;