Добавьте файлы проекта.

YandexMusic.API/Models/Queue/YContext.cs

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+namespace YandexMusic.API.Models.Queue
+{
+    public class YContext
+    {
+        public string Type { get; set; }
+        public string Id { get; set; }
+        public string Login { get; set; }
+        public string Description { get; set; }
+    }
+}

YandexMusic.API/Models/Queue/YNewQueue.cs

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+using YandexMusic.API.Models.Common;
+
+namespace YandexMusic.API.Models.Queue
+{
+    public class YNewQueue : YId
+    {
+        public string Modified { get; set; }
+    }
+}

YandexMusic.API/Models/Queue/YQueue.cs

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+using YandexMusic.API.Models.Common;
+
+namespace YandexMusic.API.Models.Queue
+{
+    public class YQueue
+    {
+        public string Id { get; set; }
+        public YContext Context { get; set; }
+        public List<YTrackId> Tracks { get; set; }
+        public int? CurrentIndex { get; set; }
+        public string Modified { get; set; }
+        public string From { get; set; }
+        public bool IsInteractive { get; set; }
+    }
+}

YandexMusic.API/Models/Queue/YQueueItem.cs

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+namespace YandexMusic.API.Models.Queue
+{
+    public class YQueueItem
+    {
+        public string Id { get; set; }
+        public YContext Context { get; set; }
+        public YContext InitialContext { get; set; }
+        public string Modified { get; set; }
+    }
+}

YandexMusic.API/Models/Queue/YQueueItemsContainer.cs

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+namespace YandexMusic.API.Models.Queue
+{
+    public class YQueueItemsContainer
+    {
+        public List<YQueueItem> Queues { get; set; }
+    }
+}

YandexMusic.API/Models/Queue/YUpdatedQueue.cs

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+namespace YandexMusic.API.Models.Queue
+{
+    public class YUpdatedQueue
+    {
+        public string Status { get; set; }
+        public bool MostRecentQueue { get; set; }
+    }
+}