Since it uses it. Giving a sync loading warning right now.

Code:



insertSplitter: function (item, index, hidden, splitterCfg) {
var splitter = {
xtype: 'splitter',
id: item.id + '-splitter',
hidden: hidden,
splitterFor: item,
synthetic: true // not user-defined
},
at = index + ((splitterCfg.collapseTarget === 'prev') ? 1 : 0);

splitter[this.names.height] = '100%';
if (splitterCfg) {
Ext.apply(splitter, splitterCfg);
}
item.splitter = this.owner.add(at, splitter);
},