public override bool HasChildren(ItemDefinition itemDefinition, CallContext context)
{
#if DEBUG
var timer = Stopwatch.StartNew();
#endif
var hasChildren = HeadProvider.HasChildren(itemDefinition, context) || // speed optimization
DoGetChildIDs(itemDefinition, context).Any();
#if DEBUG
this.Trace(hasChildren, timer, itemDefinition, context);
#endif
return(hasChildren);
}