import { MarblesHelpers } from '@rxjs-stuff/marbles';
export declare const chaiMarbles: (chai: Chai.ChaiStatic, utils: Chai.ChaiUtils) => void;
export declare const assertDeepEqual: (actual: any, expected: any, context: any) => void;
export declare const beforeEach: (helpers: MarblesHelpers, context: any) => void;
export declare const afterEach: () => void;