             try? NWErrorUtil.noWithErrorCode(kNWErrorAPNShutdown)
         default:
             try? NWErrorUtil.noWith(kNWErrorAPNUnknownErrorCode, reason: status)
-        }
+        }*/
         
         return true
     }
     
+    /*
     /** Read back multiple notification identifiers of, up to max, failed pushes. */
     func readFailedIdentifierErrorPairs(withMax max: Int, error: Error?) -> [Any] {
         var pairs: [Any] = []

        data.getBytes(status, range: NSRange(location: 1, length: 1))
        var ID: UInt32 = 0
        data.getBytes(ID, range: NSRange(location: 2, length: 4))
        identifier = htonl(ID)
        switch status {
        case 1:
            try? NWErrorUtil.noWithErrorCode(kNWErrorAPNProcessing)
        case 2:

    static let productionPushHost = "gateway.push.apple.com"
    static let pushPort = 2195
    
    var notificationClosure: NotificationClosure?
    
    /** @name Properties */
    /** The SSL connection through which all notifications are pushed. */
