private IWriter[] GetItems(XPathNavigator node)
{
var children = node.SelectChildren(XPathNodeType.Element);
var tims = _taskdataTimReader.Read(children.Current.Select("./" + "TIM"));
var tlgs = _tlgReader.Read(children.Current.Select("./"+"TLG"));
var grds = _grdReader.Read(children.Current.Select("./" + "GRD"));
var items = new List<IWriter>();
items.AddRange(tims);
items.AddRange(tlgs);
items.AddRange(grds);
return items.ToArray();
}