private IEnumerable<IAclRule> getRulesInternal(){
if (null == FileSystem) yield break;
var serializer = new AclRuleXmlSerializer();
foreach(string file in FileSystem.ResolveAll(fileName)){
var text = FileSystem.Read(file);
foreach (var s in serializer.Read(text)){
s.Evidence = "local("+Path.GetFileName(Path.GetDirectoryName(file))+")";
yield return s;
}
}
}
