code: def get_original_image_uri(self, name: str) -> str:
      """Get the original image URI."""
      while name in self.env.original_image_uri:
          name = self.env.original_image_uri[name]
  
      return name
  
imports: from sphinx.environment import BuildEnvironment
label_desc: Use image node_id 2 for calling the ImageAdapter obj's underlying member method code with example usage: obj.get_original_image_uri(name) and returns: name