System.Collections.Immutable by Microsoft

<PackageReference Include="System.Collections.Immutable" Version="8.0.0-preview.2.23128.3" />

.NET API 243,848 bytes

ISortKeyCollection<TKey>

interface ISortKeyCollection<TKey>

Defined on a generic collection that sorts its contents using an IComparer<T>.

IComparer<TKey> KeyComparer { get; }

Gets the comparer used to sort keys.