of the diffusion
process), sample (directly predicting the noisy sample) or v_prediction` (see section 2.4
https://imagen.research.google/video/paper.pdf)


interpolation_type (str, default "linear", optional) —
interpolation type to compute intermediate sigmas for the scheduler denoising steps. Should be one of
["linear", "log_linear"].



Euler scheduler (Algorithm 2) from Karras et al. (2022) https://arxiv.org/abs/2206.00364. . Based on the 