public static IEnumerable <KeyValuePair <string, ITracker> > GetChangedTrackersWithPath(
this ITrackable trackable, string parentPath = null)
{
foreach (var item in trackable.GetChangedTrackablesWithPath(parentPath))
{
var tracker = item.Value.Tracker;
if (tracker != null)
{
yield return(new KeyValuePair <string, ITracker>(item.Key, item.Value.Tracker));
}
}
}
