Add additional role tags.

See discord/discord-api-docs#5771 and See discord/discord-api-docs#5724.

Backend/Remora.Discord.API.Abstractions/API/Objects/Permissions/IRoleTags.cs

@@ -49,4 +49,27 @@ public interface IRoleTags
     /// nonpresence may correspond to "false".
     /// </remarks>
     Optional<bool?> IsPremiumSubscriberRole { get; }
+
+    /// <summary>
+    /// Gets the ID of the role's subscription SKU and listing.
+    /// </summary>
+    Optional<Snowflake> SubscriptionListingID { get; }
+
+    /// <summary>
+    /// Gets a value indicating whether the role is available for purchase.
+    /// </summary>
+    /// <remarks>
+    /// This value is strangely documented in Discord. It appears that a null value may correspond to "true", and
+    /// nonpresence may correspond to "false".
+    /// </remarks>
+    Optional<bool?> IsAvailableForPurchase { get; }
+
+    /// <summary>
+    /// Gets a value indicating whether this role is a guild's linked role.
+    /// </summary>
+    /// <remarks>
+    /// This value is strangely documented in Discord. It appears that a null value may correspond to "true", and
+    /// nonpresence may correspond to "false".
+    /// </remarks>
+    Optional<bool?> HasGuildConnections { get; }
 }

Backend/Remora.Discord.API/API/Objects/Permissions/RoleTags.cs

@@ -34,5 +34,8 @@ public record RoleTags
 (
     Optional<Snowflake> BotID = default,
     Optional<Snowflake> IntegrationID = default,
-    Optional<bool?> IsPremiumSubscriberRole = default
+    Optional<bool?> IsPremiumSubscriberRole = default,
+    Optional<Snowflake> SubscriptionListingID = default,
+    Optional<bool?> IsAvailableForPurchase = default,
+    Optional<bool?> HasGuildConnections = default
 ) : IRoleTags;

Backend/Remora.Discord.API/Extensions/ServiceCollectionExtensions.cs

@@ -803,7 +803,9 @@ private static JsonSerializerOptions AddPermissionObjectConverters(this JsonSeri
             .WithPropertyName(r => r.IsMentionable, "mentionable");
 
         options.AddDataObjectConverter<IRoleTags, RoleTags>()
-            .WithPropertyName(t => t.IsPremiumSubscriberRole, "premium_subscriber");
+            .WithPropertyName(t => t.IsPremiumSubscriberRole, "premium_subscriber")
+            .WithPropertyName(t => t.IsAvailableForPurchase, "available_for_purchase")
+            .WithPropertyName(t => t.HasGuildConnections, "guild_connections");
 
         return options;
     }

Tests/Remora.Discord.Tests/Samples/Objects/ROLE_TAGS/ROLE_TAGS.json

@@ -1,5 +1,8 @@
 {
   "bot_id": "999999999999999999",
   "integration_id": "999999999999999999",
-  "premium_subscriber": null
-}
+  "premium_subscriber": null,
+  "subscription_listing_id": "999999999999999999",
+  "available_for_purchase": null,
+  "guild_connections": null
+}