import { type MatchersObject } from '@vitest/expect';
import { SubscriptionLog, TestMessages } from '../rxjs/types';
export declare const customTestMatchers: MatchersObject;
interface VitestMarblesMatchers {
    toBeNotifications(notifications: TestMessages): void;
    toBeSubscriptions(subscriptions: SubscriptionLog[]): void;
    toHaveEmptySubscriptions(): void;
}
declare module 'vitest' {
    interface Assertion extends VitestMarblesMatchers {
    }
    interface AsymmetricMatchersContaining extends VitestMarblesMatchers {
    }
}
export {};