SortBase public abstract class SortBase : ISort Documentation Code public object Missing { get; set; } public SortMode? Mode { get; set; } public INestedSort Nested { get; set; } public QueryContainer NestedFilter { get; set; } public Field NestedPath { get; set; } public SortOrder? Order { get; set; } protected abstract Field SortKey { get; } The field on which to sort protected SortBase()