getID returns the ID of this change.
getMessage returns the message of this change.
getOperations returns the operations of this change.
getPresenceChange returns the presence change of this change.
hasOperations returns whether this change has operations or not.
hasPresenceChange returns whether this change has presence change or not.
setActor sets the given actor.
toStruct returns the structure of this change.
toTestString returns a string containing the meta data of this change.
StaticcreateStaticfrom
Changerepresents a unit of modification in the document.