OngoingStubbing.then(Answer)OngoingStubbing.thenAnswer(Answer)Stubber.doAnswer(Answer)Mockito.doAnswer(Answer)OngoingStubbing.thenCallRealMethod()Stubber.doCallRealMethod()Mockito.doCallRealMethod()Mockito.doNothing()Stubber.doNothing()OngoingStubbing.thenReturn(Object)OngoingStubbing.thenReturn(Object, Object[])Stubber.doReturn(Object)Mockito.doReturn(Object)OngoingStubbing.thenThrow(Throwable...)OngoingStubbing.thenThrow(Class[])Stubber.doThrow(Throwable)Stubber.doThrow(Class)Mockito.doThrow(Throwable)Mockito.doThrow(Throwable)Mockito, MIT License