prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  not-found-revalidate
   +--pages
   |   +--fallback-blocking
   |   +--fallback-true
   |   `--initial-not-found
   `--test
  ```
  
  Convert this description:
  
  package_file is a main directory that groups 2 subdirectories: __snapshots__ and bar_lib.
  In the root directory, Inside '__snapshots__', you'll find it contains nothing at present.
  At the top level, 'bar_lib' incorporates 1 subdirectories: __snapshots__.
  In nested path 'bar_lib / __snapshots__', Inside '__snapshots__', you'll find it is barren.
  Back to the top level.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "package_file\n +--__snapshots__\n `--bar_lib\n     `--__snapshots__", "description": "package_file is a main directory that groups 2 subdirectories: __snapshots__ and bar_lib.\nIn the root directory, Inside '__snapshots__', you'll find it contains nothing at present.\nAt the top level, 'bar_lib' incorporates 1 subdirectories: __snapshots__.\nIn nested path 'bar_lib / __snapshots__', Inside '__snapshots__', you'll find it is barren.\nBack to the top level.\n"}