prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  main
   +--java
   |   `--org
   |       `--gradle
   |           `--tooling
   |               `--internal
   |                   `--provider
   |                       `--runner
   `--resources
       `--META-INF
           `--services
  ```
  
  Convert this description:
  
  app is a principal directory that gathers 2 subdirectories: button and typing.
  At the top level, Inside 'button', you'll find it remains unused.
  In the root directory, 'typing' encapsulates 1 directory entries: [slug].
  In nested path 'typing → [slug]', The '[slug]' directory has nothing inside.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "app\n +--button\n `--typing\n     `--[slug]", "description": "app is a principal directory that gathers 2 subdirectories: button and typing.\nAt the top level, Inside 'button', you'll find it remains unused.\nIn the root directory, 'typing' encapsulates 1 directory entries: [slug].\nIn nested path 'typing \u2192 [slug]', The '[slug]' directory has nothing inside.\n"}