prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  request
   +--examples
   +--lib
   `--tests
       +--browser
       |   `--ssl
       +--fixtures
       `--ssl
           `--ca
  ```
  
  Convert this description:
  
  src is a primary directory that holds 2 subdirectories: hello and main.
  At the top level, 'hello' bundles 2 contained folders: cpp, headers.
  Within directory hierarchy 'hello > cpp', The 'cpp' repository stands empty.
  Within directory hierarchy 'hello > headers', 'headers' stands empty.
  Back to the top level.
  At the main level, 'main' encompasses 1 directory entries: cpp.
  Within directory hierarchy 'main → cpp', The 'cpp' data structure is an empty container.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "src\n +--hello\n |   +--cpp\n |   `--headers\n `--main\n     `--cpp", "description": "src is a primary directory that holds 2 subdirectories: hello and main.\nAt the top level, 'hello' bundles 2 contained folders: cpp, headers.\nWithin directory hierarchy 'hello > cpp', The 'cpp' repository stands empty.\nWithin directory hierarchy 'hello > headers', 'headers' stands empty.\nBack to the top level.\nAt the main level, 'main' encompasses 1 directory entries: cpp.\nWithin directory hierarchy 'main \u2192 cpp', The 'cpp' data structure is an empty container.\n"}