 
 // MARK: -
 
-extension AFError.SerializationFailureReason {
+extension AFError.ResponseSerializationFailureReason {
     var isInputDataNil: Bool {
         if case .inputDataNil = self { return true }
         return false

        return false
    }

    // ValidationFailureReason

    var isDataFileNil: Bool {
        if case let .responseValidationFailed(reason) = self, reason.isDataFileNil { return true }


// MARK: -

extension AFError.ResponseValidationFailureReason {
    var isDataFileNil: Bool {
        if case .dataFileNil = self { return true }
        return false
