interface MockedJest { fn: (value?: F) => MockStub; spyOn: () => MockStub; createMockFromModule: undefined; requireActual: () => void; doMock: () => void; } type MockFunction = (value?: T) => void; export interface MockStub extends MockFunction { mockReturnValue: (value: T) => R; mockImplementation: (value: T) => R; mockResolvedValue: (value: T) => R; } declare const _default: () => typeof jest | MockedJest; export default _default;