prompt: Your task is to convert the following English description into an ASCII tree format.
  
  lib is a master directory that features 7 subdirectories. Notable ones include adapters, cancel, core among others.
  
  Let me break down the structure for you:
  
  At the main level, 'adapters' is currently empty.
  At the top level, 'cancel' appears to be unused.
  At the main level, Inside 'core', you'll find it has no content.
  In the root directory, The 'defaults' data structure contains no subdirectories.
  At the top level, 'env' features 1 directory entries: classes.
  In nested path 'env / classes', The 'classes' folder has yet to be populated.
  At the main level, The 'helpers' container is unpopulated.
  At the top level, 'platform' encompasses 3 folders: browser, common, node.
  In nested path 'platform → browser', 'browser' stores 1 contained folders: classes.
  In nested path 'platform > browser > classes', The 'classes' section has yet to be populated.
  Within directory hierarchy 'platform → common', The 'common' collection contains nothing at present.
  Within directory hierarchy 'platform → node', 'node' stores 1 child directories: classes.
  Within directory hierarchy 'platform → node → classes', Inside 'classes', you'll find it is a vacant space.
  
  
  Format your response in this style:
  ```
  pre-compiled-headers
   +--groovy
   |   `--src
   |       +--hello
   |       |   +--cpp
   |       |   `--headers
   |       `--main
   |           `--cpp
   `--tests
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "lib\n +--adapters\n +--cancel\n +--core\n +--defaults\n +--env\n |   `--classes\n +--helpers\n `--platform\n     +--browser\n     |   `--classes\n     +--common\n     `--node\n         `--classes", "description": "lib is a master directory that features 7 subdirectories. Notable ones include adapters, cancel, core among others.\n\nLet me break down the structure for you:\n\nAt the main level, 'adapters' is currently empty.\nAt the top level, 'cancel' appears to be unused.\nAt the main level, Inside 'core', you'll find it has no content.\nIn the root directory, The 'defaults' data structure contains no subdirectories.\nAt the top level, 'env' features 1 directory entries: classes.\nIn nested path 'env / classes', The 'classes' folder has yet to be populated.\nAt the main level, The 'helpers' container is unpopulated.\nAt the top level, 'platform' encompasses 3 folders: browser, common, node.\nIn nested path 'platform \u2192 browser', 'browser' stores 1 contained folders: classes.\nIn nested path 'platform > browser > classes', The 'classes' section has yet to be populated.\nWithin directory hierarchy 'platform \u2192 common', The 'common' collection contains nothing at present.\nWithin directory hierarchy 'platform \u2192 node', 'node' stores 1 child directories: classes.\nWithin directory hierarchy 'platform \u2192 node \u2192 classes', Inside 'classes', you'll find it is a vacant space.\n"}