Route detail

array:5 [
  "_controller" => "\Drupal\system\Controller\Http4xxController:on4xx"
  "_title" => "Client error"
  "_route" => "system.4xx"
  "_route_object" => Symfony\Component\Routing\Route {#1581
    -path: "/system/4xx"
    -host: ""
    -schemes: []
    -methods: array:2 [
      0 => "GET"
      1 => "POST"
    ]
    -defaults: array:2 [
      "_controller" => "\Drupal\system\Controller\Http4xxController:on4xx"
      "_title" => "Client error"
    ]
    -requirements: array:1 [
      "_access" => "TRUE"
    ]
    -options: array:3 [
      "compiler_class" => "Drupal\Core\Routing\RouteCompiler"
      "utf8" => true
      "_access_checks" => array:1 [
        0 => "access_check.default"
      ]
    ]
    -condition: ""
    -compiled: Drupal\Core\Routing\CompiledRoute {#1588
      -variables: []
      -tokens: array:1 [
        0 => array:2 [
          0 => "text"
          1 => "/system/4xx"
        ]
      ]
      -staticPrefix: ""
      -regex: "{^/system/4xx$}sDu"
      -pathVariables: []
      -hostVariables: []
      -hostRegex: null
      -hostTokens: []
      #fit: 3
      #patternOutline: "/system/4xx"
      #numParts: 2
    }
  }
  "_raw_variables" => Symfony\Component\HttpFoundation\InputBag {#1587
    #parameters: []
  }
]