Reading Files in Swift

func loadJsonAsync() {  DispatchQueue.global(qos: .background).async {    if let path = Bundle.main.path(forResource: "한글.min", ofType: "json") {      do {        let data = try Data(contentsOf: URL(fileURLWithPath: path), options: .mappedIfSafe)        let jsonResult = try JSONSerialization.jsonObject(with: data, options: .mutableLeaves)        if let jsonResult = jsonResult as? [String: Any], let 데이터 = jsonResult as? [String: [String: String]] {          self.한글 = 데이터        }      } catch {        exit(1)      }    }  }}