Route detail

array:8 [
  "_controller" => "\Drupal\field_ui\Controller\FieldConfigListController::listing"
  "_title" => "Manage fields"
  "entity_type_id" => "contact_message"
  "bundle" => "feedback"
  "contact_form" => Drupal\contact\Entity\ContactForm {#1584
    #entityTypeId: "contact_form"
    #enforceIsNew: null
    #typedData: null
    #cacheContexts: array:1 [
      0 => "languages:language_interface"
    ]
    #cacheTags: []
    #cacheMaxAge: -1
    #_serviceIds: []
    #_entityStorages: []
    #originalId: "feedback"
    #status: true
    #uuid: "58916ac9-7921-40b3-89e2-75ed7b2da390"
    -isUninstalling: false
    #langcode: "en"
    #third_party_settings: []
    #_core: array:1 [
      "default_config_hash" => "vymHlgJy26BuI5GGj9-IXjwR3dRC5C0tij4BpWJnoqw"
    ]
    #trustedData: false
    #dependencies: []
    #isSyncing: false
    #id: "feedback"
    #label: "Website feedback"
    #message: "Your message has been sent."
    #recipients: array:1 [
      0 => "marcel.brunner@gmail.com"
    ]
    #redirect: ""
    #reply: ""
    #weight: 0
  }
  "_route" => "entity.contact_message.field_ui_fields"
  "_route_object" => Symfony\Component\Routing\Route {#1587
    -path: "/admin/structure/contact/manage/{contact_form}/fields"
    -host: ""
    -schemes: []
    -methods: []
    -defaults: array:4 [
      "_controller" => "\Drupal\field_ui\Controller\FieldConfigListController::listing"
      "_title" => "Manage fields"
      "entity_type_id" => "contact_message"
      "bundle" => ""
    ]
    -requirements: array:1 [
      "_permission" => "administer contact_message fields"
    ]
    -options: array:6 [
      "compiler_class" => "Drupal\Core\Routing\RouteCompiler"
      "utf8" => true
      "parameters" => array:1 [
        "contact_form" => array:2 [
          "type" => "entity:contact_form"
          "converter" => "drupal.proxy_original_service.paramconverter.configentity_admin"
        ]
      ]
      "_field_ui" => true
      "_admin_route" => true
      "_access_checks" => array:1 [
        0 => "access_check.permission"
      ]
    ]
    -condition: ""
    -compiled: Drupal\Core\Routing\CompiledRoute {#1582
      -variables: array:1 [
        0 => "contact_form"
      ]
      -tokens: array:3 [
        0 => array:2 [
          0 => "text"
          1 => "/fields"
        ]
        1 => array:5 [
          0 => "variable"
          1 => "/"
          2 => "[^/]++"
          3 => "contact_form"
          4 => true
        ]
        2 => array:2 [
          0 => "text"
          1 => "/admin/structure/contact/manage"
        ]
      ]
      -staticPrefix: ""
      -regex: "{^/admin/structure/contact/manage/(?P<contact_form>[^/]++)/fields$}sDu"
      -pathVariables: array:1 [
        0 => "contact_form"
      ]
      -hostVariables: []
      -hostRegex: null
      -hostTokens: []
      #fit: 61
      #patternOutline: "/admin/structure/contact/manage/%/fields"
      #numParts: 6
    }
  }
  "_raw_variables" => Symfony\Component\HttpFoundation\InputBag {#1581
    #parameters: array:3 [
      "contact_form" => "feedback"
      "entity_type_id" => "contact_message"
      "bundle" => ""
    ]
  }
]