     method("getMobileNetworkCodeAsync") { () -> String? in
       Self.currentCarrier()?.mobileNetworkCode
     }
-
   }
 
   // MARK: - internals

  public func definition() -> ModuleDefinition {
    name("ExpoCellular")
    constants {
      // FIXME: Carrier details shouldn't be constants.
      // Constants are returned to JS only once, but the carrier may change over time.
      let carrier = Self.currentCarrier()

      return Self.getCurrentCellularInfo()
    }
    method("getCellularGenerationAsync") { () -> Int in
      Self.currentCellularGeneration().rawValue
    }
    method("allowsVoipAsync") { () -> Bool? in
      Self.currentCarrier()?.allowsVoip
    }
    method("getIsoCountryCodeAsync") { () -> String? in
      Self.currentCarrier()?.isoCountryCode

      return .unknown
    }
  }

  static func getCurrentCellularInfo() -> [String : Any?] {
    let carrier = Self.currentCarrier()
    let generation = Self.currentCellularGeneration()
