Squashed commit of the following:

commit 515bec1af9
Author: Fokusnikh <96922685+Polybroo@users.noreply.github.com>
Date:   Tue Aug 23 20:06:14 2022 +0200

    GetPrivateArchivedThreads and GetJoinedPrivateArchivedThreads are now GuildChannel's thing

commit 383bd2bb01
Author: Fokusnikh <96922685+Polybroo@users.noreply.github.com>
Date:   Tue Aug 23 19:42:30 2022 +0200

    GetActiveThreads and GetPublicArchivedThreads are now GuildChannel's thing

src/Discord.Net.Core/Entities/Channels/IForumChannel.cs

@@ -163,54 +163,5 @@ namespace Discord
         public Task<IThreadChannel> CreatePostWithFilesAsync(string title, IEnumerable<FileAttachment> attachments, ThreadArchiveDuration archiveDuration = ThreadArchiveDuration.OneDay,
             int? slowmode = null, string text = null, Embed embed = null, RequestOptions options = null, AllowedMentions allowedMentions = null,
             MessageComponent components = null, ISticker[] stickers = null, Embed[] embeds = null, MessageFlags flags = MessageFlags.None);
-
-        /// <summary>
-        ///     Gets a collection of active threads within this forum channel.
-        /// </summary>
-        /// <param name="options">The options to be used when sending the request.</param>
-        /// <returns>
-        ///     A task that represents an asynchronous get operation for retrieving the threads. The task result contains
-        ///     a collection of active threads.
-        /// </returns>
-        Task<IReadOnlyCollection<IThreadChannel>> GetActiveThreadsAsync(RequestOptions options = null);
-
-        /// <summary>
-        ///     Gets a collection of publicly archived threads within this forum channel.
-        /// </summary>
-        /// <param name="limit">The optional limit of how many to get.</param>
-        /// <param name="before">The optional date to return threads created before this timestamp.</param>
-        /// <param name="options">The options to be used when sending the request.</param>
-        /// <returns>
-        ///     A task that represents an asynchronous get operation for retrieving the threads. The task result contains
-        ///     a collection of publicly archived threads.
-        /// </returns>
-        Task<IReadOnlyCollection<IThreadChannel>> GetPublicArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null);
-
-        /// <summary>
-        ///     Gets a collection of privately archived threads within this forum channel.
-        /// </summary>
-        /// <remarks>
-        ///     The bot requires the <see cref="GuildPermission.ManageThreads"/> permission in order to execute this request.
-        /// </remarks>
-        /// <param name="limit">The optional limit of how many to get.</param>
-        /// <param name="before">The optional date to return threads created before this timestamp.</param>
-        /// <param name="options">The options to be used when sending the request.</param>
-        /// <returns>
-        ///     A task that represents an asynchronous get operation for retrieving the threads. The task result contains
-        ///     a collection of privately archived threads.
-        /// </returns>
-        Task<IReadOnlyCollection<IThreadChannel>> GetPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null);
-
-        /// <summary>
-        ///     Gets a collection of privately archived threads that the current bot has joined within this forum channel.
-        /// </summary>
-        /// <param name="limit">The optional limit of how many to get.</param>
-        /// <param name="before">The optional date to return threads created before this timestamp.</param>
-        /// <param name="options">The options to be used when sending the request.</param>
-        /// <returns>
-        ///     A task that represents an asynchronous get operation for retrieving the threads. The task result contains
-        ///     a collection of privately archived threads.
-        /// </returns>
-        Task<IReadOnlyCollection<IThreadChannel>> GetJoinedPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null);
     }
 }

src/Discord.Net.Core/Entities/Channels/IGuildChannel.cs

@@ -155,5 +155,54 @@ namespace Discord
         ///     represents the user; <c>null</c> if none is found.
         /// </returns>
         new Task<IGuildUser> GetUserAsync(ulong id, CacheMode mode = CacheMode.AllowDownload, RequestOptions options = null);
+
+        /// <summary>
+        ///     Gets a collection of active threads within this guild channel.
+        /// </summary>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents an asynchronous get operation for retrieving the threads. The task result contains
+        ///     a collection of active threads.
+        /// </returns>
+        Task<IReadOnlyCollection<IThreadChannel>> GetActiveThreadsAsync(RequestOptions options = null);
+
+        /// <summary>
+        ///     Gets a collection of publicly archived threads within this guild channel.
+        /// </summary>
+        /// <param name="limit">The optional limit of how many to get.</param>
+        /// <param name="before">The optional date to return threads created before this timestamp.</param>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents an asynchronous get operation for retrieving the threads. The task result contains
+        ///     a collection of publicly archived threads.
+        /// </returns>
+        Task<IReadOnlyCollection<IThreadChannel>> GetPublicArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null);
+
+        /// <summary>
+        ///     Gets a collection of privately archived threads within this guild channel.
+        /// </summary>
+        /// <remarks>
+        ///     The bot requires the <see cref="GuildPermission.ManageThreads"/> permission in order to execute this request.
+        /// </remarks>
+        /// <param name="limit">The optional limit of how many to get.</param>
+        /// <param name="before">The optional date to return threads created before this timestamp.</param>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents an asynchronous get operation for retrieving the threads. The task result contains
+        ///     a collection of privately archived threads.
+        /// </returns>
+        Task<IReadOnlyCollection<IThreadChannel>> GetPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null);
+
+        /// <summary>
+        ///     Gets a collection of privately archived threads that the current bot has joined within this guild channel.
+        /// </summary>
+        /// <param name="limit">The optional limit of how many to get.</param>
+        /// <param name="before">The optional date to return threads created before this timestamp.</param>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents an asynchronous get operation for retrieving the threads. The task result contains
+        ///     a collection of privately archived threads.
+        /// </returns>
+        Task<IReadOnlyCollection<IThreadChannel>> GetJoinedPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null);
     }
 }

src/Discord.Net.Rest/Entities/Channels/RestForumChannel.cs

@@ -90,31 +90,8 @@ namespace Discord.Rest
             MessageComponent components = null, ISticker[] stickers = null, Embed[] embeds = null, MessageFlags flags = MessageFlags.None)
             => ThreadHelper.CreatePostAsync(this, Discord, title, attachments, archiveDuration, slowmode, text, embed, options, allowedMentions, components, stickers, embeds, flags);
 
-        /// <inheritdoc cref="IForumChannel.GetActiveThreadsAsync(RequestOptions)"/>
-        public Task<IReadOnlyCollection<RestThreadChannel>> GetActiveThreadsAsync(RequestOptions options = null)
-            => ThreadHelper.GetActiveThreadsInChannelAsync(Guild, this, Discord, options);
-
-        /// <inheritdoc cref="IForumChannel.GetJoinedPrivateArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
-        public Task<IReadOnlyCollection<RestThreadChannel>> GetJoinedPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
-            => ThreadHelper.GetJoinedPrivateArchivedThreadsAsync(this, Discord, limit, before, options);
-
-        /// <inheritdoc cref="IForumChannel.GetPrivateArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
-        public Task<IReadOnlyCollection<RestThreadChannel>> GetPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
-            => ThreadHelper.GetPrivateArchivedThreadsAsync(this, Discord, limit, before, options);
-
-        /// <inheritdoc cref="IForumChannel.GetPublicArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
-        public Task<IReadOnlyCollection<RestThreadChannel>> GetPublicArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
-            => ThreadHelper.GetPublicArchivedThreadsAsync(this, Discord, limit, before, options);
 
         #region IForumChannel
-        async Task<IReadOnlyCollection<IThreadChannel>> IForumChannel.GetActiveThreadsAsync(RequestOptions options)
-            => await GetActiveThreadsAsync(options).ConfigureAwait(false);
-        async Task<IReadOnlyCollection<IThreadChannel>> IForumChannel.GetPublicArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
-            => await GetPublicArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
-        async Task<IReadOnlyCollection<IThreadChannel>> IForumChannel.GetPrivateArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
-            => await GetPrivateArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
-        async Task<IReadOnlyCollection<IThreadChannel>> IForumChannel.GetJoinedPrivateArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
-            => await GetJoinedPrivateArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
         async Task<IThreadChannel> IForumChannel.CreatePostAsync(string title, ThreadArchiveDuration archiveDuration, int? slowmode, string text, Embed embed, RequestOptions options, AllowedMentions allowedMentions, MessageComponent components, ISticker[] stickers, Embed[] embeds, MessageFlags flags)
             => await CreatePostAsync(title, archiveDuration, slowmode, text, embed, options, allowedMentions, components, stickers, embeds, flags).ConfigureAwait(false);
         async Task<IThreadChannel> IForumChannel.CreatePostWithFileAsync(string title, string filePath, ThreadArchiveDuration archiveDuration, int? slowmode, string text, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions, MessageComponent components, ISticker[] stickers, Embed[] embeds, MessageFlags flags)

src/Discord.Net.Rest/Entities/Channels/RestGuildChannel.cs

@@ -232,6 +232,33 @@ namespace Discord.Rest
         /// <inheritdoc />
         Task<IGuildUser> IGuildChannel.GetUserAsync(ulong id, CacheMode mode, RequestOptions options)
             => Task.FromResult<IGuildUser>(null); //Overridden in Text/Voice
+
+
+        /// <inheritdoc cref="IGuildChannel.GetActiveThreadsAsync(RequestOptions)"/>
+        public Task<IReadOnlyCollection<RestThreadChannel>> GetActiveThreadsAsync(RequestOptions options = null)
+            => ThreadHelper.GetActiveThreadsInChannelAsync(Guild, this, Discord, options);
+
+        /// <inheritdoc cref="IGuildChannel.GetPublicArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
+        public Task<IReadOnlyCollection<RestThreadChannel>> GetPublicArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
+            => ThreadHelper.GetPublicArchivedThreadsAsync(this, Discord, limit, before, options);
+
+        /// <inheritdoc cref="IGuildChannel.GetJoinedPrivateArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
+        public Task<IReadOnlyCollection<RestThreadChannel>> GetJoinedPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
+            => ThreadHelper.GetJoinedPrivateArchivedThreadsAsync(this, Discord, limit, before, options);
+
+        /// <inheritdoc cref="IGuildChannel.GetPrivateArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
+        public Task<IReadOnlyCollection<RestThreadChannel>> GetPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
+            => ThreadHelper.GetPrivateArchivedThreadsAsync(this, Discord, limit, before, options);
+
+
+        async Task<IReadOnlyCollection<IThreadChannel>> IGuildChannel.GetActiveThreadsAsync(RequestOptions options)
+            => await GetActiveThreadsAsync(options).ConfigureAwait(false);
+        async Task<IReadOnlyCollection<IThreadChannel>> IGuildChannel.GetPublicArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
+            => await GetPublicArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
+        async Task<IReadOnlyCollection<IThreadChannel>> IGuildChannel.GetPrivateArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
+            => await GetPrivateArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
+        async Task<IReadOnlyCollection<IThreadChannel>> IGuildChannel.GetJoinedPrivateArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
+            => await GetJoinedPrivateArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
         #endregion
 
         #region IChannel

src/Discord.Net.WebSocket/Entities/Channels/SocketForumChannel.cs

@@ -87,31 +87,9 @@ namespace Discord.WebSocket
             MessageComponent components = null, ISticker[] stickers = null, Embed[] embeds = null, MessageFlags flags = MessageFlags.None)
             => ThreadHelper.CreatePostAsync(this, Discord, title, attachments, archiveDuration, slowmode, text, embed, options, allowedMentions, components, stickers, embeds, flags);
 
-        /// <inheritdoc cref="IForumChannel.GetActiveThreadsAsync(RequestOptions)"/>
-        public Task<IReadOnlyCollection<RestThreadChannel>> GetActiveThreadsAsync(RequestOptions options = null)
-            => ThreadHelper.GetActiveThreadsInChannelAsync(Guild, this, Discord, options);
 
-        /// <inheritdoc cref="IForumChannel.GetJoinedPrivateArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
-        public Task<IReadOnlyCollection<RestThreadChannel>> GetJoinedPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
-            => ThreadHelper.GetJoinedPrivateArchivedThreadsAsync(this, Discord, limit, before, options);
-
-        /// <inheritdoc cref="IForumChannel.GetPrivateArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
-        public Task<IReadOnlyCollection<RestThreadChannel>> GetPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
-            => ThreadHelper.GetPrivateArchivedThreadsAsync(this, Discord, limit, before, options);
-
-        /// <inheritdoc cref="IForumChannel.GetPublicArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
-        public Task<IReadOnlyCollection<RestThreadChannel>> GetPublicArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
-            => ThreadHelper.GetPublicArchivedThreadsAsync(this, Discord, limit, before, options);
 
         #region IForumChannel
-        async Task<IReadOnlyCollection<IThreadChannel>> IForumChannel.GetActiveThreadsAsync(RequestOptions options)
-            => await GetActiveThreadsAsync(options).ConfigureAwait(false);
-        async Task<IReadOnlyCollection<IThreadChannel>> IForumChannel.GetPublicArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
-            => await GetPublicArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
-        async Task<IReadOnlyCollection<IThreadChannel>> IForumChannel.GetPrivateArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
-            => await GetPrivateArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
-        async Task<IReadOnlyCollection<IThreadChannel>> IForumChannel.GetJoinedPrivateArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
-            => await GetJoinedPrivateArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
         async Task<IThreadChannel> IForumChannel.CreatePostAsync(string title, ThreadArchiveDuration archiveDuration, int? slowmode, string text, Embed embed, RequestOptions options, AllowedMentions allowedMentions, MessageComponent components, ISticker[] stickers, Embed[] embeds, MessageFlags flags)
             => await CreatePostAsync(title, archiveDuration, slowmode, text, embed, options, allowedMentions, components, stickers, embeds, flags).ConfigureAwait(false);
         async Task<IThreadChannel> IForumChannel.CreatePostWithFileAsync(string title, string filePath, ThreadArchiveDuration archiveDuration, int? slowmode, string text, Embed embed, RequestOptions options, bool isSpoiler, AllowedMentions allowedMentions, MessageComponent components, ISticker[] stickers, Embed[] embeds, MessageFlags flags)

src/Discord.Net.WebSocket/Entities/Channels/SocketGuildChannel.cs

@@ -176,6 +176,24 @@ namespace Discord.WebSocket
         /// <returns>
         ///     A string that resolves to <see cref="SocketGuildChannel.Name"/>.
         /// </returns>
+
+        /// <inheritdoc cref="IGuildChannel.GetActiveThreadsAsync(RequestOptions)"/>
+        public Task<IReadOnlyCollection<RestThreadChannel>> GetActiveThreadsAsync(RequestOptions options = null)
+            => ThreadHelper.GetActiveThreadsInChannelAsync(Guild, this, Discord, options);
+
+        /// <inheritdoc cref="IGuildChannel.GetPublicArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
+        public Task<IReadOnlyCollection<RestThreadChannel>> GetPublicArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
+            => ThreadHelper.GetPublicArchivedThreadsAsync(this, Discord, limit, before, options);
+
+        /// <inheritdoc cref="IGuildChannel.GetJoinedPrivateArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
+        public Task<IReadOnlyCollection<RestThreadChannel>> GetJoinedPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
+            => ThreadHelper.GetJoinedPrivateArchivedThreadsAsync(this, Discord, limit, before, options);
+
+        /// <inheritdoc cref="IGuildChannel.GetPrivateArchivedThreadsAsync(int?, DateTimeOffset?, RequestOptions)"/>
+        public Task<IReadOnlyCollection<RestThreadChannel>> GetPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null)
+            => ThreadHelper.GetPrivateArchivedThreadsAsync(this, Discord, limit, before, options);
+
+
         public override string ToString() => Name;
         private string DebuggerDisplay => $"{Name} ({Id}, Guild)";
         internal new SocketGuildChannel Clone() => MemberwiseClone() as SocketGuildChannel;
@@ -219,6 +237,14 @@ namespace Discord.WebSocket
         /// <inheritdoc />
         Task<IGuildUser> IGuildChannel.GetUserAsync(ulong id, CacheMode mode, RequestOptions options)
             => Task.FromResult<IGuildUser>(GetUser(id)); //Overridden in Text/Voice
+        async Task<IReadOnlyCollection<IThreadChannel>> IGuildChannel.GetActiveThreadsAsync(RequestOptions options)
+            => await GetActiveThreadsAsync(options).ConfigureAwait(false);
+        async Task<IReadOnlyCollection<IThreadChannel>> IGuildChannel.GetPublicArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
+            => await GetPublicArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
+        async Task<IReadOnlyCollection<IThreadChannel>> IGuildChannel.GetPrivateArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
+            => await GetPrivateArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
+        async Task<IReadOnlyCollection<IThreadChannel>> IGuildChannel.GetJoinedPrivateArchivedThreadsAsync(int? limit, DateTimeOffset? before, RequestOptions options)
+            => await GetJoinedPrivateArchivedThreadsAsync(limit, before, options).ConfigureAwait(false);
         #endregion
 
         #region IChannel

test/Discord.Net.Tests.Unit/MockedEntities/MockedCategoryChannel.cs

@@ -36,6 +36,9 @@ namespace Discord
             throw new NotImplementedException();
         }
 
+        public Task<IReadOnlyCollection<IThreadChannel>> GetActiveThreadsAsync(RequestOptions options = null) => throw new NotImplementedException();
+        public Task<IReadOnlyCollection<IThreadChannel>> GetJoinedPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null) => throw new NotImplementedException();
+
         public OverwritePermissions? GetPermissionOverwrite(IRole role)
         {
             throw new NotImplementedException();
@@ -46,6 +49,9 @@ namespace Discord
             throw new NotImplementedException();
         }
 
+        public Task<IReadOnlyCollection<IThreadChannel>> GetPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null) => throw new NotImplementedException();
+        public Task<IReadOnlyCollection<IThreadChannel>> GetPublicArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null) => throw new NotImplementedException();
+
         public Task<IGuildUser> GetUserAsync(ulong id, CacheMode mode = CacheMode.AllowDownload, RequestOptions options = null)
         {
             throw new NotImplementedException();

test/Discord.Net.Tests.Unit/MockedEntities/MockedTextChannel.cs

@@ -218,5 +218,9 @@ namespace Discord
         public Task<IThreadChannel> CreateThreadAsync(string name, ThreadType type = ThreadType.PublicThread, ThreadArchiveDuration autoArchiveDuration = ThreadArchiveDuration.OneDay, IMessage message = null, bool? invitable = null, int? slowmode = null, RequestOptions options = null, MessageFlags flags = MessageFlags.None) => throw new NotImplementedException();
         public Task<IInviteMetadata> CreateInviteToApplicationAsync(DefaultApplications application, int? maxAge = 86400, int? maxUses = null, bool isTemporary = false, bool isUnique = false, RequestOptions options = null) => throw new NotImplementedException();
         public Task<IThreadChannel> CreateThreadAsync(string name, ThreadType type = ThreadType.PublicThread, ThreadArchiveDuration autoArchiveDuration = ThreadArchiveDuration.OneDay, IMessage message = null, bool? invitable = null, int? slowmode = null, RequestOptions options = null) => throw new NotImplementedException();
+        public Task<IReadOnlyCollection<IThreadChannel>> GetActiveThreadsAsync(RequestOptions options = null) => throw new NotImplementedException();
+        public Task<IReadOnlyCollection<IThreadChannel>> GetPublicArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null) => throw new NotImplementedException();
+        public Task<IReadOnlyCollection<IThreadChannel>> GetPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null) => throw new NotImplementedException();
+        public Task<IReadOnlyCollection<IThreadChannel>> GetJoinedPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null) => throw new NotImplementedException();
     }
 }

test/Discord.Net.Tests.Unit/MockedEntities/MockedVoiceChannel.cs

@@ -74,5 +74,9 @@ namespace Discord
         public Task TriggerTypingAsync(RequestOptions options = null) => throw new NotImplementedException();
         Task<IUser> IChannel.GetUserAsync(ulong id, CacheMode mode, RequestOptions options) => throw new NotImplementedException();
         IAsyncEnumerable<IReadOnlyCollection<IUser>> IChannel.GetUsersAsync(CacheMode mode, RequestOptions options) => throw new NotImplementedException();
+        public Task<IReadOnlyCollection<IThreadChannel>> GetActiveThreadsAsync(RequestOptions options = null) => throw new NotImplementedException();
+        public Task<IReadOnlyCollection<IThreadChannel>> GetPublicArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null) => throw new NotImplementedException();
+        public Task<IReadOnlyCollection<IThreadChannel>> GetPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null) => throw new NotImplementedException();
+        public Task<IReadOnlyCollection<IThreadChannel>> GetJoinedPrivateArchivedThreadsAsync(int? limit = null, DateTimeOffset? before = null, RequestOptions options = null) => throw new NotImplementedException();
     }
 }