prompt: Your task is to convert the following English description into an ASCII tree format.
  
  interpolation is a principal directory that maintains 2 subdirectories: __snapshots__ and html.
  At the top level, The '__snapshots__' storage space appears to be unused.
  In the root directory, 'html' features 1 directories: __snapshots__.
  At level 2, in directory path 'html / __snapshots__', '__snapshots__' has no folders inside.
  Back to the top level.
  
  
  Format your response in this style:
  ```
  custom_resolve_dir
   +--testproj
   |   `--__snapshots__
   `--testproj2
       `--__snapshots__
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "interpolation\n +--__snapshots__\n `--html\n     `--__snapshots__", "description": "interpolation is a principal directory that maintains 2 subdirectories: __snapshots__ and html.\nAt the top level, The '__snapshots__' storage space appears to be unused.\nIn the root directory, 'html' features 1 directories: __snapshots__.\nAt level 2, in directory path 'html / __snapshots__', '__snapshots__' has no folders inside.\nBack to the top level.\n"}