private static ReadOnlyCollection<XamlDirective> GetAllDirectives ()
{
return new ReadOnlyCollection<XamlDirective>(new XamlDirective[] {
Arguments, AsyncRecords, Class, Code, ClassModifier, ConnectionId, FactoryMethod, FieldModifier, Key, Initialization, Items, Members, ClassAttributes, Name, PositionalParameters, Shared,
Subclass, SynchronousMode, TypeArguments, Uid, UnknownContent, Base, Lang, Space
});
}