prompt: Your task is to convert the following English description into an ASCII tree format.
  
  link-ref-app is a parent directory that collects 2 subdirectories: app and test.
  At the top level, Within 'app', you'll find 6 folders for code structure.
  At level 2, in directory path 'app → child-ref', Inside 'child-ref', you'll find it has no folders inside.
  In nested path 'app > child-ref-func', The 'child-ref-func' container has no folders inside.
  At level 2, in directory path 'app > child-ref-func-cleanup', The 'child-ref-func-cleanup' collection has been left empty.
  Within directory hierarchy 'app > class', 'class' has been left empty.
  Within directory hierarchy 'app > click-away-race-condition', The 'click-away-race-condition' section remains unused.
  In nested path 'app / function', Inside 'function', you'll find it stands empty.
  Back to the top level.
  In the root directory, 'test' has been left empty.
  
  
  Format your response in this style:
  ```
  src
   +--constructors
   |   `--test
   +--hoc
   +--models
   |   `--test
   |       `--__snapshots__
   +--native
   |   `--test
   +--sheet
   |   `--test
   +--test
   |   `--__snapshots__
   `--utils
       `--test
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "link-ref-app\n +--app\n |   +--child-ref\n |   +--child-ref-func\n |   +--child-ref-func-cleanup\n |   +--class\n |   +--click-away-race-condition\n |   `--function\n `--test", "description": "link-ref-app is a parent directory that collects 2 subdirectories: app and test.\nAt the top level, Within 'app', you'll find 6 folders for code structure.\nAt level 2, in directory path 'app \u2192 child-ref', Inside 'child-ref', you'll find it has no folders inside.\nIn nested path 'app > child-ref-func', The 'child-ref-func' container has no folders inside.\nAt level 2, in directory path 'app > child-ref-func-cleanup', The 'child-ref-func-cleanup' collection has been left empty.\nWithin directory hierarchy 'app > class', 'class' has been left empty.\nWithin directory hierarchy 'app > click-away-race-condition', The 'click-away-race-condition' section remains unused.\nIn nested path 'app / function', Inside 'function', you'll find it stands empty.\nBack to the top level.\nIn the root directory, 'test' has been left empty.\n"}