prompt: Your task is to convert the following English description into an ASCII tree format.
  
  json-schema-2020-12-extensions is a head directory that assembles 2 subdirectories: components and wrap-components.
  In the root directory, Within 'components', you'll find 1 nested folders for code structure.
  At level 2, in directory path 'components > keywords', 'keywords' features 1 nested folders: Discriminator.
  Within directory hierarchy 'components → keywords → Discriminator', Inside 'Discriminator', you'll find it has no folders inside.
  Back to the top level.
  In the root directory, 'wrap-components' possesses 1 child directories: keywords.
  In nested path 'wrap-components / keywords', 'keywords' has yet to be populated.
  Back to the top level.
  
  
  Format your response in this style:
  ```
  packages
   +--pkg-a
   |   `--src
   +--pkg-b
   |   `--src
   `--shared
       `--src
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "json-schema-2020-12-extensions\n +--components\n |   `--keywords\n |       `--Discriminator\n `--wrap-components\n     `--keywords", "description": "json-schema-2020-12-extensions is a head directory that assembles 2 subdirectories: components and wrap-components.\nIn the root directory, Within 'components', you'll find 1 nested folders for code structure.\nAt level 2, in directory path 'components > keywords', 'keywords' features 1 nested folders: Discriminator.\nWithin directory hierarchy 'components \u2192 keywords \u2192 Discriminator', Inside 'Discriminator', you'll find it has no folders inside.\nBack to the top level.\nIn the root directory, 'wrap-components' possesses 1 child directories: keywords.\nIn nested path 'wrap-components / keywords', 'keywords' has yet to be populated.\nBack to the top level.\n"}