prompt: Your task is to convert the following English description into an ASCII tree format.
  
  custom is a master directory that includes 2 subdirectories: plugins and themes.
  At the top level, 'plugins' maintains 1 nested folders: example.
  Within directory hierarchy 'plugins → example', 'example' has no folders inside.
  Back to the top level.
  At the main level, 'themes' remains unused.
  
  
  Format your response in this style:
  ```
  resolve-dynamic-import
   +--_expected
   |   +--amd
   |   +--cjs
   |   +--es
   |   `--system
   `--nested
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "custom\n +--plugins\n |   `--example\n `--themes", "description": "custom is a master directory that includes 2 subdirectories: plugins and themes.\nAt the top level, 'plugins' maintains 1 nested folders: example.\nWithin directory hierarchy 'plugins \u2192 example', 'example' has no folders inside.\nBack to the top level.\nAt the main level, 'themes' remains unused.\n"}