Route detail

array:6 [
  "_controller" => "\Drupal\menu_link_content\Controller\MenuController::addLink"
  "_title" => "Add menu link"
  "menu" => Drupal\system\Entity\Menu {#1584
    #entityTypeId: "menu"
    #enforceIsNew: null
    #typedData: null
    #cacheContexts: array:1 [
      0 => "languages:language_interface"
    ]
    #cacheTags: []
    #cacheMaxAge: -1
    #_serviceIds: []
    #_entityStorages: []
    #originalId: "main"
    #status: true
    #uuid: "4a8fc8a8-88d1-41fd-9e57-98ee72586249"
    -isUninstalling: false
    #langcode: "en"
    #third_party_settings: []
    #_core: array:1 [
      "default_config_hash" => "Q2Ra3jfoIVk0f3SjxJX61byRQFVBAbpzYDQOiY-kno8"
    ]
    #trustedData: false
    #dependencies: []
    #isSyncing: false
    #id: "main"
    #label: "Main navigation"
    #description: "Site section links"
    #locked: true
  }
  "_route" => "entity.menu.add_link_form"
  "_route_object" => Symfony\Component\Routing\Route {#1581
    -path: "/admin/structure/menu/manage/{menu}/add"
    -host: ""
    -schemes: []
    -methods: array:2 [
      0 => "GET"
      1 => "POST"
    ]
    -defaults: array:2 [
      "_controller" => "\Drupal\menu_link_content\Controller\MenuController::addLink"
      "_title" => "Add menu link"
    ]
    -requirements: array:1 [
      "_entity_create_access" => "menu_link_content"
    ]
    -options: array:5 [
      "compiler_class" => "Drupal\Core\Routing\RouteCompiler"
      "utf8" => true
      "parameters" => array:1 [
        "menu" => array:2 [
          "type" => "entity:menu"
          "converter" => "drupal.proxy_original_service.paramconverter.configentity_admin"
        ]
      ]
      "_admin_route" => true
      "_access_checks" => array:1 [
        0 => "access_check.entity_create"
      ]
    ]
    -condition: ""
    -compiled: Drupal\Core\Routing\CompiledRoute {#1588
      -variables: array:1 [
        0 => "menu"
      ]
      -tokens: array:3 [
        0 => array:2 [
          0 => "text"
          1 => "/add"
        ]
        1 => array:5 [
          0 => "variable"
          1 => "/"
          2 => "[^/]++"
          3 => "menu"
          4 => true
        ]
        2 => array:2 [
          0 => "text"
          1 => "/admin/structure/menu/manage"
        ]
      ]
      -staticPrefix: ""
      -regex: "{^/admin/structure/menu/manage/(?P<menu>[^/]++)/add$}sDu"
      -pathVariables: array:1 [
        0 => "menu"
      ]
      -hostVariables: []
      -hostRegex: null
      -hostTokens: []
      #fit: 61
      #patternOutline: "/admin/structure/menu/manage/%/add"
      #numParts: 6
    }
  }
  "_raw_variables" => Symfony\Component\HttpFoundation\InputBag {#1587
    #parameters: array:1 [
      "menu" => "main"
    ]
  }
]