prompt: Your task is to convert the following English description into an ASCII tree format.
  
  babel-register is a parent directory that bundles 2 subdirectories: src and test.
  At the main level, The 'src' collection possesses 1 folders for code organization.
  In nested path 'src / worker', 'worker' remains unused.
  At the top level, 'test' organizes 1 test-related directories.
  In nested path 'test / fixtures', 'fixtures' retains 5 different directory entries.
  At level 3, in directory path 'test / fixtures / babelrc', 'babelrc' is devoid of content.
  At level 3, in directory path 'test / fixtures / browserify', Inside 'browserify', you'll find it appears to be unused.
  Within directory hierarchy 'test → fixtures → internal-modules', 'internal-modules' is currently empty.
  In nested path 'test / fixtures / mjs-babelrc', 'mjs-babelrc' has yet to be populated.
  In nested path 'test → fixtures → source-map', 'source-map' stores 1 subdirectories: foo.
  In nested path 'test / fixtures / source-map / foo', The 'foo' data structure is a vacant space.
  Back to the top level.
  
  
  Format your response in this style:
  ```
  docs
   +--customization
   +--development
   +--images
   +--samples
   |   `--webpack-getting-started
   |       `--src
   `--usage
  ```
  
  Provide your answer wrapped in <ascii_formatted> tags.
verification_info: {"ground_truth": "babel-register\n +--src\n |   `--worker\n `--test\n     `--fixtures\n         +--babelrc\n         +--browserify\n         +--internal-modules\n         +--mjs-babelrc\n         `--source-map\n             `--foo", "description": "babel-register is a parent directory that bundles 2 subdirectories: src and test.\nAt the main level, The 'src' collection possesses 1 folders for code organization.\nIn nested path 'src / worker', 'worker' remains unused.\nAt the top level, 'test' organizes 1 test-related directories.\nIn nested path 'test / fixtures', 'fixtures' retains 5 different directory entries.\nAt level 3, in directory path 'test / fixtures / babelrc', 'babelrc' is devoid of content.\nAt level 3, in directory path 'test / fixtures / browserify', Inside 'browserify', you'll find it appears to be unused.\nWithin directory hierarchy 'test \u2192 fixtures \u2192 internal-modules', 'internal-modules' is currently empty.\nIn nested path 'test / fixtures / mjs-babelrc', 'mjs-babelrc' has yet to be populated.\nIn nested path 'test \u2192 fixtures \u2192 source-map', 'source-map' stores 1 subdirectories: foo.\nIn nested path 'test / fixtures / source-map / foo', The 'foo' data structure is a vacant space.\nBack to the top level.\n"}