Route detail

array:6 [
  "_controller" => "\Drupal\devel\Controller\ContainerInfoController::parameterDetail"
  "_title" => "Parameter @parameter_name value"
  "parameter_name" => "kernel.environment"
  "_route" => "devel.container_info.parameter.detail"
  "_route_object" => Symfony\Component\Routing\Route {#1581
    -path: "/devel/container/parameter/{parameter_name}"
    -host: ""
    -schemes: []
    -methods: array:2 [
      0 => "GET"
      1 => "POST"
    ]
    -defaults: array:2 [
      "_controller" => "\Drupal\devel\Controller\ContainerInfoController::parameterDetail"
      "_title" => "Parameter @parameter_name value"
    ]
    -requirements: array:1 [
      "_permission" => "access devel information"
    ]
    -options: array:4 [
      "compiler_class" => "Drupal\Core\Routing\RouteCompiler"
      "_admin_route" => true
      "utf8" => true
      "_access_checks" => array:1 [
        0 => "access_check.permission"
      ]
    ]
    -condition: ""
    -compiled: Drupal\Core\Routing\CompiledRoute {#1588
      -variables: array:1 [
        0 => "parameter_name"
      ]
      -tokens: array:2 [
        0 => array:5 [
          0 => "variable"
          1 => "/"
          2 => "[^/]++"
          3 => "parameter_name"
          4 => true
        ]
        1 => array:2 [
          0 => "text"
          1 => "/devel/container/parameter"
        ]
      ]
      -staticPrefix: ""
      -regex: "{^/devel/container/parameter/(?P<parameter_name>[^/]++)$}sDu"
      -pathVariables: array:1 [
        0 => "parameter_name"
      ]
      -hostVariables: []
      -hostRegex: null
      -hostTokens: []
      #fit: 14
      #patternOutline: "/devel/container/parameter/%"
      #numParts: 4
    }
  }
  "_raw_variables" => Symfony\Component\HttpFoundation\InputBag {#1587
    #parameters: array:1 [
      "parameter_name" => "kernel.environment"
    ]
  }
]