];
var change = {
keySplices: Polymer.Collection.get(array).applySplices(splices),
indexSplices: splices
};
this.set(path + ".splices", change);
if (added != removed.length) {
this.notifyPath(path + ".length", array.length);
}
change.keySplices = null;
change.indexSplices = null;
},
push: function(path) {
var array = this.get(path);
var args = Array.prototype.slice.call(arguments, 1);
var len = array.length;
var ret = array.push.apply(array, args);
this._notifySplice(array, path, len, args.length, []);
retu