nd
set_alpha_to_one=False, to make the last step use step 0 for the previous alpha product, as done in
stable diffusion.


prediction_type (str, default epsilon, optional) —
prediction type of the scheduler function, one of epsilon (predicting the noise of the diffusion
process), sample (directly predicting the noisy sample) or v_prediction` (see section 2.4
https://imagen.research.google/video/paper.pdf)


thresholding (bool, default False) —
