prompt: Your task is to convert the following English description into an ASCII tree format.
  
  dir --out-dir --keep-file-extension is a top-level directory that bundles 2 subdirectories: in-files and out-files.
  In the root directory, 'in-files' features 1 subfolders: src.
  At level 2, in directory path 'in-files → src', The 'src' data structure is empty.
  In the root directory, 'out-files' houses 1 directories: lib.
  Within directory hierarchy 'out-files / lib', Inside 'lib', you'll find it is devoid of content.
  Back to the top level.
  
  
  Format your response in this style:
  ```
  contrib
   +--admin
   |   `--_images
   +--gis
   |   `--install
   `--postgres
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "dir --out-dir --keep-file-extension\n +--in-files\n |   `--src\n `--out-files\n     `--lib", "description": "dir --out-dir --keep-file-extension is a top-level directory that bundles 2 subdirectories: in-files and out-files.\nIn the root directory, 'in-files' features 1 subfolders: src.\nAt level 2, in directory path 'in-files \u2192 src', The 'src' data structure is empty.\nIn the root directory, 'out-files' houses 1 directories: lib.\nWithin directory hierarchy 'out-files / lib', Inside 'lib', you'll find it is devoid of content.\nBack to the top level.\n"}