code: def overlay_onto_background_image_intensity(
      opacity: float, overlay_size: float, **kwargs
  ) -> float:
      return 100.0 - overlay_media_intensity_helper(
          opacity, overlay_size
      )
  
imports: from typing import Any, Dict, Optional, Union
  import numpy
  from augly.image import utils
  from PIL import Image
label_desc: Use image node_id 19 for calling a global function with example usage: overlay_onto_background_image_intensity(opacity, overlay_size) and returns: unknown