Route detail

Symfony\Component\Routing\Route {#1585
  -path: "/sites/default/files/css/{file_name}"
  -host: ""
  -schemes: []
  -methods: array:2 [
    0 => "GET"
    1 => "POST"
  ]
  -defaults: array:1 [
    "_controller" => "Drupal\system\Controller\CssAssetController::deliver"
  ]
  -requirements: array:1 [
    "_access" => "TRUE"
  ]
  -options: array:3 [
    "compiler_class" => "Drupal\Core\Routing\RouteCompiler"
    "_access_checks" => array:1 [
      0 => "access_check.default"
    ]
    "utf8" => true
  ]
  -condition: ""
  -compiled: Drupal\Core\Routing\CompiledRoute {#1586
    -variables: array:1 [
      0 => "file_name"
    ]
    -tokens: array:2 [
      0 => array:5 [
        0 => "variable"
        1 => "/"
        2 => "[^/]++"
        3 => "file_name"
        4 => true
      ]
      1 => array:2 [
        0 => "text"
        1 => "/sites/default/files/css"
      ]
    ]
    -staticPrefix: ""
    -regex: "{^/sites/default/files/css/(?P<file_name>[^/]++)$}sDu"
    -pathVariables: array:1 [
      0 => "file_name"
    ]
    -hostVariables: []
    -hostRegex: null
    -hostTokens: []
    #fit: 30
    #patternOutline: "/sites/default/files/css/%"
    #numParts: 5
  }
}