code: def __init__(self, size, fill=0):
      super().__init__()
      self.size = size
      self.fill = v2._utils._setup_fill_arg(fill)
  
file_path: vision/references/segmentation/v2_extras.py
imports: import torch
  from torchvision import tv_tensors
  from torchvision.transforms import v2
label_desc: Use image node_id 1 to create a new PadIfSmaller object from inherited base classes: v2 with example: obj = PadIfSmaller(size, fill)