rt of SDXL’s micro-conditioning as explained in
section 2.2 of https://huggingface.co/papers/2307.01952.   t0 (int, optional, defaults to 44) —
Timestep t0. Should be in the range [0, num_inference_steps - 1]. See the
paper, Sect. 3.3.1.   t1 (int, optional, defaults to 47) —
Timestep t0. Should be in the range [t0 + 1, num_inference_steps - 1]. See the
paper, Sect. 3.3.1.    Function invoked when calling the pipeline for generation.  backward_