fileUploadNotificationXmlns top-level constant
NOTE: Specified by https://github.com/PapaTutuWawa/custom-xeps/blob/master/xep-xxxx-file-upload-notifications.md
Implementation
const fileUploadNotificationXmlns = 'proto:urn:xmpp:fun:0';
NOTE: Specified by https://github.com/PapaTutuWawa/custom-xeps/blob/master/xep-xxxx-file-upload-notifications.md
const fileUploadNotificationXmlns = 'proto:urn:xmpp:fun:0';