Added GetCacheStats

src/Discord.Net/DiscordClient.cs

@@ -680,5 +680,15 @@ namespace Discord
 				RaiseOnLog(LogMessageSeverity.Verbose, LogMessageSource.Client, $"Config: {JsonConvert.SerializeObject(_config)}");
 			_sentInitialLog = true;
         }
+		
+		public void GetCacheStats(out int serverCount, out int channelCount, out int userCount, out int uniqueUserCount, out int messageCount, out int roleCount)
+		{
+			serverCount = _servers.Count;
+			channelCount = _channels.Count;
+			userCount = _users.Count;
+			uniqueUserCount = _globalUsers.Count;
+			messageCount = _messages.Count;
+			roleCount = _roles.Count;
+		}
 	}
 }

src/Discord.Net/Helpers/AsyncCollection.cs

@@ -24,7 +24,7 @@ namespace Discord
 			public TKey NewId { get; }
 			public CollectionItemRemappedEventArgs(TValue item, TKey oldId, TKey newId) { Item = item; OldId = oldId; NewId = newId; }
 		}
-
+		
 		public EventHandler<CollectionItemEventArgs> ItemCreated;
 		private void RaiseItemCreated(TValue item)
 		{
@@ -54,6 +54,8 @@ namespace Discord
 		protected readonly DiscordClient _client;
 		protected readonly ConcurrentDictionary<TKey, TValue> _dictionary;
 
+		public int Count => _dictionary.Count;
+
 		protected AsyncCollection(DiscordClient client, object writerLock)
 		{
 			_client = client;