def serialize(self,writer: SerializationWriter) -> None:
        """
        Serializes information the current object
        param writer: Serialization writer to use to serialize this model
        Returns: None
        """
        if writer is None:
            raise TypeError("writer cannot be null.")
        super().serialize(writer)
        writer.write_object_value("applicableDeviceType", self.applicable_device_type)
        writer.write_str_value("buildNumber", self.build_number)
        writer.write_str_value("bundleId", self.bundle_id)
        writer.write_datetime_value("expirationDateTime", self.expiration_date_time)
        writer.write_object_value("minimumSupportedOperatingSystem", self.minimum_supported_operating_system)
        writer.write_str_value("versionNumber", self.version_number)

        Serializes information the current object
        param writer: Serialization writer to use to serialize this model
        Returns: None
        
msgraph/generated/models/managed_i_o_s_lob_app.py