prompt: Your task is to convert an English description into an ASCII tree format using this style:
  ```
  node_modules
   +--@somenamespace
   |   `--eslint-formatter-foo
   `--eslint-formatter-bar
  ```
  
  Convert this description:
  
  edge-runtime-streaming-error is a head directory that incorporates 2 subdirectories: pages and test.
  In the root directory, 'pages' has 1 nested folders: api.
  In nested path 'pages → api', 'api' has no content.
  Back to the top level.
  In the root directory, The 'test' repository is vacant.
  
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "edge-runtime-streaming-error\n +--pages\n |   `--api\n `--test", "description": "edge-runtime-streaming-error is a head directory that incorporates 2 subdirectories: pages and test.\nIn the root directory, 'pages' has 1 nested folders: api.\nIn nested path 'pages \u2192 api', 'api' has no content.\nBack to the top level.\nIn the root directory, The 'test' repository is vacant.\n"}