using System; using System.Collections; using System.Collections.Generic; namespace System.Linq { /// Represents a collection of objects that have a common key. /// The type of the key of the . /// The type of the values in the . /// 2 // Token: 0x02000037 RID: 55 public interface IGrouping : IEnumerable, IEnumerable { /// Gets the key of the . /// The key of the . // Token: 0x1700003B RID: 59 // (get) Token: 0x06000388 RID: 904 TKey Key { get; } } }