Nullable refernce types refactoring

WotBlitzStatisticsPro.WgApiClient/Model/WotAccountPrivateInfoGroupedContacts.cs

@@ -9,18 +9,18 @@ namespace WotBlitzStatisticsPro.WgApiClient.Model
 		/// Blocked accountIds
 		///</summary>
 		[JsonProperty("blocked")]
-		public int[] Blocked { get; set; }
+		public int[]? Blocked { get; set; }
 
 		///<summary>
 		/// Groups
 		///</summary>
 		[JsonProperty("groups")]
-		public Dictionary<string, string> Groups { get; set; }
+		public Dictionary<string, string>? Groups { get; set; }
 
 		///<summary>
 		/// Ungrouped accountIds
 		///</summary>
 		[JsonProperty("ungrouped")]
-		public int[] Ungrouped { get; set; }
+		public int[]? Ungrouped { get; set; }
 	}
 }