prompt: Your task is to convert the following English description into an ASCII tree format.
  
  timestamp is a top-level directory that maintains 2 subdirectories: key and trigger-revalidate.
  At the top level, 'key' bundles 1 contained folders: [key].
  At level 2, in directory path 'key → [key]', The '[key]' repository contains nothing at present.
  Back to the top level.
  At the top level, Inside 'trigger-revalidate', you'll find it has no content.
  
  
  Format your response in this style:
  ```
  node_modules
   +--@somenamespace
   |   `--eslint-formatter-foo
   `--eslint-formatter-bar
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "timestamp\n +--key\n |   `--[key]\n `--trigger-revalidate", "description": "timestamp is a top-level directory that maintains 2 subdirectories: key and trigger-revalidate.\nAt the top level, 'key' bundles 1 contained folders: [key].\nAt level 2, in directory path 'key \u2192 [key]', The '[key]' repository contains nothing at present.\nBack to the top level.\nAt the top level, Inside 'trigger-revalidate', you'll find it has no content.\n"}