Well, using ts-jest 27.x.x, I could access the utils helper by require('ts-jest/utils'), and as you can see in the below picture, it was present in the ts-jest dependency folder:

But in a newer project using ts-jest 28.x.x, when I try to import that, this is the result:

And this is the ts-jest dependency folder:

What should I do now to use those helpers?