Creates new instance of ComponentsVersions which will be discovering the versions of conferencing system components in given JitsiConference.
JitsiConference instance which will be used to listen for focus presence updates.
Processes versions information from presence.
The versions element.
MUC JID for the sender.
Obtains the version of conferencing system component.
the name of the component for which we want to obtain the version.
which describes the version of the component identified by given componentName or undefined if not found.
Discovers component versions in a conference.