prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  fixtures
   +--behavior
   |   +--get-with-falsy-receiver
   |   `--get-without-receiver
   +--dependencies
   |   +--basic
   |   +--deep
   |   +--missing
   |   +--multiple
   |   +--rename-binding-equal
   |   +--rename-deep-global
   |   +--reuse-dependency
   |   `--variable-same-name-dependency
   `--misc
       +--9496
  ```
  
  Convert this description:
  
  root is a principal directory that houses 2 subdirectories: __snapshots__ and symlink_lib.
  At the top level, '__snapshots__' has no folders inside.
  In the root directory, 'symlink_lib' maintains 1 subfolders: __snapshots__.
  Within directory hierarchy 'symlink_lib > __snapshots__', The '__snapshots__' data structure has been left empty.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "root\n +--__snapshots__\n `--symlink_lib\n     `--__snapshots__", "description": "root is a principal directory that houses 2 subdirectories: __snapshots__ and symlink_lib.\nAt the top level, '__snapshots__' has no folders inside.\nIn the root directory, 'symlink_lib' maintains 1 subfolders: __snapshots__.\nWithin directory hierarchy 'symlink_lib > __snapshots__', The '__snapshots__' data structure has been left empty.\n"}