FreeOpcUa / python-opcua

        self.DiagnosticInfos = []

        self._freeze = True

    def to_binary(self):

        packet = []

        packet.append(uabin.Primitives.UInt32.pack(self.SubscriptionId))

        packet.append(uabin.Primitives.Int32.pack(len(self.AvailableSequenceNumbers)))

        for fieldname in self.AvailableSequenceNumbers:

            packet.append(uabin.Primitives.UInt32.pack(fieldname))

        packet.append(uabin.Primitives.Boolean.pack(self.MoreNotifications))

        packet.append(self.NotificationMessage.to_binary())

        packet.append(uabin.Primitives.Int32.pack(len(self.Results)))

        for fieldname in self.Results:

            packet.append(fieldname.to_binary())

        packet.append(uabin.Primitives.Int32.pack(len(self.DiagnosticInfos)))

        for fieldname in self.DiagnosticInfos:

            packet.append(fieldname.to_binary())

        return b''.join(packet)

    @staticmethod

    def from_binary(data):

        self.FilterResult = ContentFilterResult()

        self._freeze = True

    def to_binary(self):

        packet = []

        packet.append(uabin.Primitives.Int32.pack(len(self.QueryDataSets)))

        for fieldname in self.QueryDataSets:

            packet.append(fieldname.to_binary())

        packet.append(uabin.Primitives.ByteString.pack(self.ContinuationPoint))

        packet.append(uabin.Primitives.Int32.pack(len(self.ParsingResults)))

        for fieldname in self.ParsingResults:

            packet.append(fieldname.to_binary())

        packet.append(uabin.Primitives.Int32.pack(len(self.DiagnosticInfos)))

        for fieldname in self.DiagnosticInfos:

            packet.append(fieldname.to_binary())

        packet.append(self.FilterResult.to_binary())

        return b''.join(packet)

    @staticmethod

    def from_binary(data):