code: def set_hooks(self, before_sample, after_sample, after_update):
      self.before_sample = before_sample
      self.after_sample = after_sample
      self.after_update = after_update
  
file_path: stable-diffusion-webui/modules/models/diffusion/uni_pc/sampler.py
imports: import torch
  from .uni_pc import NoiseScheduleVP, model_wrapper, UniPC
  from modules import shared, devices
label_desc: Use image node_id 3 for calling the UniPCSampler obj's underlying member method code with example usage: obj.set_hooks(before_sample, after_sample, after_update) without return types