array:5 [
  "_controller" => "Drupal\devel\Controller\EntityDebugController::entityTypeDefinition"
  "_title" => "Entity type definition"
  "_route" => "entity.migration.devel_definition"
  "_route_object" => Symfony\Component\Routing\Route {#1581
    -path: "/devel/definition/migration"
    -host: ""
    -schemes: []
    -methods: []
    -defaults: array:2 [
      "_controller" => "Drupal\devel\Controller\EntityDebugController::entityTypeDefinition"
      "_title" => "Entity type definition"
    ]
    -requirements: array:1 [
      "_permission" => "access devel information"
    ]
    -options: array:5 [
      "compiler_class" => "Drupal\Core\Routing\RouteCompiler"
      "_admin_route" => true
      "_devel_entity_type_id" => "migration"
      "_access_checks" => array:1 [
        0 => "access_check.permission"
      ]
      "utf8" => true
    ]
    -condition: ""
    -compiled: Drupal\Core\Routing\CompiledRoute {#1588
      -variables: []
      -tokens: array:1 [
        0 => array:2 [
          0 => "text"
          1 => "/devel/definition/migration"
        ]
      ]
      -staticPrefix: ""
      -regex: "{^/devel/definition/migration$}sDu"
      -pathVariables: []
      -hostVariables: []
      -hostRegex: null
      -hostTokens: []
      #fit: 7
      #patternOutline: "/devel/definition/migration"
      #numParts: 3
    }
  }
  "_raw_variables" => Symfony\Component\HttpFoundation\InputBag {#1587
    #parameters: []
  }
]