Mocking and asserting on an `Effect<R, E, A>` in Jest

// I defined my own Clock service
interface MyClock {
    nowMillis: () => T.Effect<never, never, number>;
}

// And I mock it in tests like this
const mockMyClock: MyClock = {
   nowMillis: jest.fn()
       .mockReturnValueOnce(T.succeed(10))
       .mockReturnValueOnce(T.succeed(20))
       .mockReturnValueOnce(T.succeed(30))
       .mockReturnValue(T.succeed(100))
};

T.provideService(MyClock, mockMyClock),

// And test that it was called like this:
expect(mockMyClock.nowMillis).toHaveBeenCalledTimes(2);
expect(mockMyClock.nowMillis).toHaveBeenNthCalledWith(2 /* no args */);

import * as Clock from '@effect/io/Clock';

T.provideService(MyClock, {
   currentTimeMillis: // What would I put here to get fine control over the return values?
}),

// What would I do to check the calls to currentTimeMillis?
expect(/* what */).toHaveBeenCalledTimes(2);