||Includes all persistent rooms known (public/non-public and open/non-open)
||Only publicly listed rooms
||Only rooms which can be joined without password/invitation
||Publicly listed MUCs where owners have requested de-listing from this directory
||Total number of users in all MUCs. Since we do not (and can not) track the real identities of users, this most certainly includes duplicates.
||Number of domains known; this includes non-MUC service domains and usually a single XMPP service has multiple domains (e.g. a base domain and a MUC service domain).