Determine the interval in milliseconds at which Fonto requests document state updates from the CMS.
-1 to disable requests to the document/state endpoint completely. This could be useful if your CMS does not yet implement this endpoint. However, doing so will only notify users of changes in lock status and remote document updates when a save or lock request fails as a result of that change. We therefore recommend to implement this endpoint whenever possible.
Defaults to 7 seconds.