Yog Script (.ys, .yns) analyzed: its lexer, parser and syntax tree, names resolved, the class index model — what the build and the editors read a source with.
namespace System.Linq;
/// Items in an order (`OrderBy`), to be ordered further (`ThenBy`).
[Intrinsic]
public interface IOrderedEnumerable<out TElement> : IEnumerable<TElement> {
}