Event fired on DOM mutations detected.
This event is introduced by MutationObserver and available by default in all editor instances (attached by EditingView).
MutationObserver
EditingView
args : tuple
module:engine/view/observer/mutationobserver~ViewDocumentMutationsEvent#args
name : 'mutations'
module:engine/view/observer/mutationobserver~ViewDocumentMutationsEvent#name