 constructor to bypass beta_start and beta_end.   clip_sample (bool, defaults to True) —
Clip the predicted sample for numerical stability.   clip_sample_range (float, defaults to 1.0) —
The maximum magnitude for sample clipping. Valid only when clip_sample=True.   set_alpha_to_one (bool, defaults to True) —
Each diffusion step uses the alphas product value at that step and at the previous one. For the final step
there is no previous alpha. Whe