Subscribes to page-arrangement mutations on the current document.
Remote adapters should ignore events whose origin is remote, restore, history, or materialize to avoid echoing applied or internal changes.
origin
remote
restore
history
materialize
The callback to invoke when the value changes.
Subscribes to page-arrangement mutations on the current document.
Remote adapters should ignore events whose
originisremote,restore,history, ormaterializeto avoid echoing applied or internal changes.