The is dump file of all your properties listed for every option within Tigase and components. The structure of the log lines is the same as the structure of Tigase XMPP Server config file - TDSL. Lets take the value for admins, listing who is administrator for the server.

admins = [ '', '', '' ]

The admin parameter which is an array of strings and has 3 users listed.

This file is re-written every time tigase starts.