System.Linq.IOrderedQueryable<T>
public interface IOrderedQueryable<T> : IEnumerable<T>, IEnumerable, IOrderedQueryable, IQueryable, IQueryable<T>
namespace System.Linq
{
public interface IOrderedQueryable<out T> : IEnumerable<T>, IEnumerable, IOrderedQueryable, IQueryable, IQueryable<T>
{
}
}