From deefdfabc789b017e165ceeb0e2683c3d856d8fa Mon Sep 17 00:00:00 2001
From: Mansehej
const yxml = new Y.XmlFragment()
insert(index:number, content:Array<Y.XmlElement|Y.XmlText>)
+ insert(index:number, content:Array<Y.XmlElement|Y.XmlText>):Y.XmlFragment
- delete(index:number, length:number)
+ delete(index:number, length:number):Y.XmlFragment
get(index:number)