Update xml reference and mocked channels

src/Discord.Net.Core/Entities/Users/IGuildUser.cs

@@ -73,7 +73,7 @@ namespace Discord
         /// </summary>
         /// <example>
         ///     <para>The following example checks if the current user has the ability to send a message with attachment in
-        ///     this channel; if so, uploads a file via <see cref="IMessageChannel.SendFileAsync(string, string, bool, Embed, RequestOptions, bool)"/>.</para>
+        ///     this channel; if so, uploads a file via <see cref="IMessageChannel.SendFileAsync(string, string, bool, Embed, RequestOptions, bool, AllowedMentions)"/>.</para>
         ///     <code language="cs">
         ///     if (currentUser?.GetPermissions(targetChannel)?.AttachFiles)
         ///         await targetChannel.SendFileAsync("fortnite.png");

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

@@ -73,12 +73,12 @@ namespace Discord
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }

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

@@ -81,12 +81,12 @@ namespace Discord
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }

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

@@ -167,12 +167,12 @@ namespace Discord
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(string filePath, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }
 
-        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false)
+        public Task<IUserMessage> SendFileAsync(Stream stream, string filename, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, bool isSpoiler = false, AllowedMentions allowedMentions = null)
         {
             throw new NotImplementedException();
         }