From f9c81c705d55784a7022b621ddc87c87004488a8 Mon Sep 17 00:00:00 2001
From: Syzuna <syzuna@syzuna-programs.de>
Date: Sat, 18 Nov 2023 20:23:14 +0100
Subject: [PATCH] sealed appropiate classes

---
 .../Models/ChannelPoints/GlobalCooldownSettings.cs              | 2 +-
 .../Models/ChannelPoints/MaxAmountSettings.cs                   | 2 +-
 .../Models/ChannelPoints/RedemptionReward.cs                    | 2 +-
 TwitchLib.EventSub.Core/Models/Charity/CharityAmount.cs         | 2 +-
 TwitchLib.EventSub.Core/Models/Extensions/BitsProduct.cs        | 2 +-
 .../Models/HypeTrain/HypeTrainContribution.cs                   | 2 +-
 TwitchLib.EventSub.Core/Models/Polls/PollChoice.cs              | 2 +-
 TwitchLib.EventSub.Core/Models/Polls/PollVotingSettings.cs      | 2 +-
 .../Models/Predictions/PredictionOutcomes.cs                    | 2 +-
 TwitchLib.EventSub.Core/Models/Predictions/Predictor.cs         | 2 +-
 .../Models/Subscriptions/SubscriptionMessage.cs                 | 2 +-
 .../Models/Subscriptions/SubscriptionMessageEmote.cs            | 2 +-
 .../SubscriptionTypes/Channel/ChannelAdBreakBegin.cs            | 2 +-
 TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelBan.cs | 2 +-
 .../SubscriptionTypes/Channel/ChannelCharityCampaignDonate.cs   | 2 +-
 .../SubscriptionTypes/Channel/ChannelCharityCampaignProgress.cs | 2 +-
 .../SubscriptionTypes/Channel/ChannelCharityCampaignStart.cs    | 2 +-
 .../SubscriptionTypes/Channel/ChannelCharityCampaignStop.cs     | 2 +-
 .../SubscriptionTypes/Channel/ChannelCheer.cs                   | 2 +-
 .../SubscriptionTypes/Channel/ChannelFollow.cs                  | 2 +-
 .../SubscriptionTypes/Channel/ChannelGoalBegin.cs               | 2 +-
 .../SubscriptionTypes/Channel/ChannelGoalEnd.cs                 | 2 +-
 .../SubscriptionTypes/Channel/ChannelGoalProgress.cs            | 2 +-
 .../SubscriptionTypes/Channel/ChannelGuestStarGuestUpdate.cs    | 2 +-
 .../SubscriptionTypes/Channel/ChannelGuestStarSessionBegin.cs   | 2 +-
 .../SubscriptionTypes/Channel/ChannelGuestStarSessionEnd.cs     | 2 +-
 .../SubscriptionTypes/Channel/ChannelGuestStarSettingsUpdate.cs | 2 +-
 .../SubscriptionTypes/Channel/ChannelModerator.cs               | 2 +-
 .../SubscriptionTypes/Channel/ChannelPointsCustomReward.cs      | 2 +-
 .../Channel/ChannelPointsCustomRewardRedemption.cs              | 2 +-
 .../SubscriptionTypes/Channel/ChannelPollBegin.cs               | 2 +-
 .../SubscriptionTypes/Channel/ChannelPollEnd.cs                 | 2 +-
 .../SubscriptionTypes/Channel/ChannelPollProgress.cs            | 2 +-
 .../SubscriptionTypes/Channel/ChannelPredictionBegin.cs         | 2 +-
 .../SubscriptionTypes/Channel/ChannelPredictionEnd.cs           | 2 +-
 .../SubscriptionTypes/Channel/ChannelPredictionLock.cs          | 2 +-
 .../SubscriptionTypes/Channel/ChannelPredictionProgress.cs      | 2 +-
 .../SubscriptionTypes/Channel/ChannelRaid.cs                    | 2 +-
 .../SubscriptionTypes/Channel/ChannelShieldModeBegin.cs         | 2 +-
 .../SubscriptionTypes/Channel/ChannelShieldModeEnd.cs           | 2 +-
 .../SubscriptionTypes/Channel/ChannelShoutoutCreate.cs          | 2 +-
 .../SubscriptionTypes/Channel/ChannelShoutoutReceive.cs         | 2 +-
 .../SubscriptionTypes/Channel/ChannelSubscribe.cs               | 2 +-
 .../SubscriptionTypes/Channel/ChannelSubscriptionEnd.cs         | 2 +-
 .../SubscriptionTypes/Channel/ChannelSubscriptionGift.cs        | 2 +-
 .../SubscriptionTypes/Channel/ChannelSubscriptionMessage.cs     | 2 +-
 .../SubscriptionTypes/Channel/ChannelUnban.cs                   | 2 +-
 .../SubscriptionTypes/Channel/ChannelUpdate.cs                  | 2 +-
 .../SubscriptionTypes/Channel/HypeTrainBegin.cs                 | 2 +-
 .../SubscriptionTypes/Channel/HypeTrainEnd.cs                   | 2 +-
 .../SubscriptionTypes/Channel/HypeTrainProgress.cs              | 2 +-
 .../SubscriptionTypes/Drop/DropEntitlementGrant.cs              | 2 +-
 .../Extension/ExtensionBitsTransactionCreate.cs                 | 2 +-
 .../SubscriptionTypes/Stream/StreamOffline.cs                   | 2 +-
 .../SubscriptionTypes/Stream/StreamOnline.cs                    | 2 +-
 .../SubscriptionTypes/User/UserAuthorizationGrant.cs            | 2 +-
 .../SubscriptionTypes/User/UserAuthorizationRevoke.cs           | 2 +-
 TwitchLib.EventSub.Core/SubscriptionTypes/User/UserUpdate.cs    | 2 +-
 58 files changed, 58 insertions(+), 58 deletions(-)

diff --git a/TwitchLib.EventSub.Core/Models/ChannelPoints/GlobalCooldownSettings.cs b/TwitchLib.EventSub.Core/Models/ChannelPoints/GlobalCooldownSettings.cs
index 846293e..d894572 100644
--- a/TwitchLib.EventSub.Core/Models/ChannelPoints/GlobalCooldownSettings.cs
+++ b/TwitchLib.EventSub.Core/Models/ChannelPoints/GlobalCooldownSettings.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// Whether a cooldown is enabled and what the cooldown is in seconds.
     /// </summary>
-    public class GlobalCooldownSettings
+    public sealed class GlobalCooldownSettings
     {
         /// <summary>
         /// Whether the setting is enabled.
diff --git a/TwitchLib.EventSub.Core/Models/ChannelPoints/MaxAmountSettings.cs b/TwitchLib.EventSub.Core/Models/ChannelPoints/MaxAmountSettings.cs
index 11205a8..d9b961a 100644
--- a/TwitchLib.EventSub.Core/Models/ChannelPoints/MaxAmountSettings.cs
+++ b/TwitchLib.EventSub.Core/Models/ChannelPoints/MaxAmountSettings.cs
@@ -5,7 +5,7 @@
     /// <para>or</para>
     /// <para>Whether a maximum per user per stream is enabled and what the maximum is.</para>
     /// </summary>
-    public class MaxAmountSettings
+    public sealed class MaxAmountSettings
     {
         /// <summary>
         /// Whether the setting is enabled.
diff --git a/TwitchLib.EventSub.Core/Models/ChannelPoints/RedemptionReward.cs b/TwitchLib.EventSub.Core/Models/ChannelPoints/RedemptionReward.cs
index 36c3dfd..846ba51 100644
--- a/TwitchLib.EventSub.Core/Models/ChannelPoints/RedemptionReward.cs
+++ b/TwitchLib.EventSub.Core/Models/ChannelPoints/RedemptionReward.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// Basic information about the reward that was redeemed, at the time it was redeemed.
     /// </summary>
-    public class RedemptionReward
+    public sealed class RedemptionReward
     {
         /// <summary>
         /// The reward identifier.
diff --git a/TwitchLib.EventSub.Core/Models/Charity/CharityAmount.cs b/TwitchLib.EventSub.Core/Models/Charity/CharityAmount.cs
index ffb5678..ef2790d 100644
--- a/TwitchLib.EventSub.Core/Models/Charity/CharityAmount.cs
+++ b/TwitchLib.EventSub.Core/Models/Charity/CharityAmount.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// An object that contains the amount of charity related things.
     /// </summary>
-    public class CharityAmount
+    public sealed class CharityAmount
     {
         /// <summary>
         /// The monetary amount. The amount is specified in the currency’s minor unit. For example, the minor units for USD is cents, so if the amount is $5.50 USD, value is set to 550.
diff --git a/TwitchLib.EventSub.Core/Models/Extensions/BitsProduct.cs b/TwitchLib.EventSub.Core/Models/Extensions/BitsProduct.cs
index 986181f..6112b36 100644
--- a/TwitchLib.EventSub.Core/Models/Extensions/BitsProduct.cs
+++ b/TwitchLib.EventSub.Core/Models/Extensions/BitsProduct.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// Additional information about a product acquired via a Twitch Extension Bits transaction.
     /// </summary>
-    public class BitsProduct
+    public sealed class BitsProduct
     {
         /// <summary>
         /// Product name.
diff --git a/TwitchLib.EventSub.Core/Models/HypeTrain/HypeTrainContribution.cs b/TwitchLib.EventSub.Core/Models/HypeTrain/HypeTrainContribution.cs
index 0adb251..ffaff16 100644
--- a/TwitchLib.EventSub.Core/Models/HypeTrain/HypeTrainContribution.cs
+++ b/TwitchLib.EventSub.Core/Models/HypeTrain/HypeTrainContribution.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// Describes a user's contribution to a HypeTrain
     /// </summary>
-    public class HypeTrainContribution
+    public sealed class HypeTrainContribution
     {
         /// <summary>
         /// The ID of the contributor.
diff --git a/TwitchLib.EventSub.Core/Models/Polls/PollChoice.cs b/TwitchLib.EventSub.Core/Models/Polls/PollChoice.cs
index 30cfb70..c3381b8 100644
--- a/TwitchLib.EventSub.Core/Models/Polls/PollChoice.cs
+++ b/TwitchLib.EventSub.Core/Models/Polls/PollChoice.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// Defines a poll choice
     /// </summary>
-    public class PollChoice
+    public sealed class PollChoice
     {
         /// <summary>
         /// ID for the choice.
diff --git a/TwitchLib.EventSub.Core/Models/Polls/PollVotingSettings.cs b/TwitchLib.EventSub.Core/Models/Polls/PollVotingSettings.cs
index c6debde..1ead86a 100644
--- a/TwitchLib.EventSub.Core/Models/Polls/PollVotingSettings.cs
+++ b/TwitchLib.EventSub.Core/Models/Polls/PollVotingSettings.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// Whether Bits/ChannelPoints voting is enabled and its cost
     /// </summary>
-    public class PollVotingSettings
+    public sealed class PollVotingSettings
     {
         /// <summary>
         /// Indicates if Bits/Channel Points can be used for voting.
diff --git a/TwitchLib.EventSub.Core/Models/Predictions/PredictionOutcomes.cs b/TwitchLib.EventSub.Core/Models/Predictions/PredictionOutcomes.cs
index 4d000bc..89516cc 100644
--- a/TwitchLib.EventSub.Core/Models/Predictions/PredictionOutcomes.cs
+++ b/TwitchLib.EventSub.Core/Models/Predictions/PredictionOutcomes.cs
@@ -5,7 +5,7 @@ namespace TwitchLib.EventSub.Core.Models.Predictions
     /// <summary>
     /// Defines the outcomes of a prediction
     /// </summary>
-    public class PredictionOutcomes
+    public sealed class PredictionOutcomes
     {
         /// <summary>
         /// The outcome ID.
diff --git a/TwitchLib.EventSub.Core/Models/Predictions/Predictor.cs b/TwitchLib.EventSub.Core/Models/Predictions/Predictor.cs
index 29a5370..2372f76 100644
--- a/TwitchLib.EventSub.Core/Models/Predictions/Predictor.cs
+++ b/TwitchLib.EventSub.Core/Models/Predictions/Predictor.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// Defines a user that predicted in a prediction
     /// </summary>
-    public class Predictor
+    public sealed class Predictor
     {
         /// <summary>
         /// The ID of the user.
diff --git a/TwitchLib.EventSub.Core/Models/Subscriptions/SubscriptionMessage.cs b/TwitchLib.EventSub.Core/Models/Subscriptions/SubscriptionMessage.cs
index 0eda203..d218a64 100644
--- a/TwitchLib.EventSub.Core/Models/Subscriptions/SubscriptionMessage.cs
+++ b/TwitchLib.EventSub.Core/Models/Subscriptions/SubscriptionMessage.cs
@@ -5,7 +5,7 @@ namespace TwitchLib.EventSub.Core.Models.Subscriptions
     /// <summary>
     /// Defines a subscription message send in chat to share a resubscription
     /// </summary>
-    public class SubscriptionMessage
+    public sealed class SubscriptionMessage
     {
         /// <summary>
         /// The text of the resubscription chat message.
diff --git a/TwitchLib.EventSub.Core/Models/Subscriptions/SubscriptionMessageEmote.cs b/TwitchLib.EventSub.Core/Models/Subscriptions/SubscriptionMessageEmote.cs
index 7e96f61..8049e78 100644
--- a/TwitchLib.EventSub.Core/Models/Subscriptions/SubscriptionMessageEmote.cs
+++ b/TwitchLib.EventSub.Core/Models/Subscriptions/SubscriptionMessageEmote.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// Defines Emotes and their positions in a resubscription chat message
     /// </summary>
-    public class SubscriptionMessageEmote
+    public sealed class SubscriptionMessageEmote
     {
         /// <summary>
         /// The index of where the Emote starts in the text.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelAdBreakBegin.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelAdBreakBegin.cs
index 187a760..c9b3a1d 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelAdBreakBegin.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelAdBreakBegin.cs
@@ -7,7 +7,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>a User runs a midroll commercial break, either manually or automatically via ads manager.</para>
     /// </summary>
-    public class ChannelAdBreakBegin
+    public sealed class ChannelAdBreakBegin
     {
         /// <summary>
         /// Length in seconds of the mid-roll ad break requested
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelBan.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelBan.cs
index 13abed6..05fbc59 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelBan.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelBan.cs
@@ -7,7 +7,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A viewer is banned/timed out from the specified channel.</para>
     /// </summary>
-    public class ChannelBan
+    public sealed class ChannelBan
     {
         /// <summary>
         /// The user ID for the user who was banned/timed out on the specified channel.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignDonate.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignDonate.cs
index 83a4255..e21ba83 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignDonate.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignDonate.cs
@@ -7,7 +7,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>Sends an event notification when a user donates to the broadcaster’s charity campaign.</para>
     /// </summary>
-    public class ChannelCharityCampaignDonate : CharityBase
+    public sealed class ChannelCharityCampaignDonate : CharityBase
     {
         /// <summary>
         /// An ID that uniquely identifies the charity campaign.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignProgress.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignProgress.cs
index d42f735..71c2072 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignProgress.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignProgress.cs
@@ -11,7 +11,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>To get that information, subscribe to the Start event or call the Get Charity Campaign endpoint.</para>
     /// <para>To get donation information, subscribe to the channel.charity_campaign.donate event.</para>
     /// </summary>
-    public class ChannelCharityCampaignProgress : CharityBase
+    public sealed class ChannelCharityCampaignProgress : CharityBase
     {
         /// <summary>
         /// An ID that identifies the charity campaign.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignStart.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignStart.cs
index 2f70729..dc5eb70 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignStart.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignStart.cs
@@ -9,7 +9,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Sends a notification when the broadcaster starts a charity campaign.</para>
     /// <para>It’s possible to receive this event after the Progress event.</para>
     /// </summary>
-    public class ChannelCharityCampaignStart : CharityBase
+    public sealed class ChannelCharityCampaignStart : CharityBase
     {
         /// <summary>
         /// An ID that identifies the charity campaign.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignStop.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignStop.cs
index 6c333be..1d9ebb1 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignStop.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCharityCampaignStop.cs
@@ -10,7 +10,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>The event data does not include information about the charity such as its name, description, and logo.</para>
     /// <para>To get that information, subscribe to the Start event or call the Get Charity Campaign endpoint.</para>
     /// </summary>
-    public class ChannelCharityCampaignStop
+    public sealed class ChannelCharityCampaignStop
     {
         /// <summary>
         /// An ID that identifies the charity campaign.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCheer.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCheer.cs
index 154f713..e40ec79 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCheer.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelCheer.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>A user cheers on the specified channel.</para>
     /// </summary>
-    public class ChannelCheer
+    public sealed class ChannelCheer
     {
         /// <summary>
         /// Whether the user cheered anonymously or not.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelFollow.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelFollow.cs
index 42eb900..9b160b7 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelFollow.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelFollow.cs
@@ -7,7 +7,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A specified channel receives a follow.</para>
     /// </summary>
-    public class ChannelFollow
+    public sealed class ChannelFollow
     {
         /// <summary>
         /// The user ID for the user now following the specified channel.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalBegin.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalBegin.cs
index 33adef4..c80c953 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalBegin.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalBegin.cs
@@ -7,6 +7,6 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A channel goal is created</para>
     /// </summary>
-    public class ChannelGoalBegin : ChannelGoalBase
+    public sealed class ChannelGoalBegin : ChannelGoalBase
     { }
 }
\ No newline at end of file
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalEnd.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalEnd.cs
index 2c27838..efdc1d8 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalEnd.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalEnd.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A channel goal ends</para>
     /// </summary>
-    public class ChannelGoalEnd : ChannelGoalBase
+    public sealed class ChannelGoalEnd : ChannelGoalBase
     {
         /// <summary>
         /// The UTC timestamp in RFC 3339 format, which indicates when the broadcaster ended the goal.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalProgress.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalProgress.cs
index e8835c8..b105d7a 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalProgress.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGoalProgress.cs
@@ -7,6 +7,6 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A channel goal progress changes, by either receiving a follow/unfollow or a subscription/unsubscription </para>
     /// </summary>
-    public class ChannelGoalProgress : ChannelGoalBase
+    public sealed class ChannelGoalProgress : ChannelGoalBase
     { }
 }
\ No newline at end of file
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarGuestUpdate.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarGuestUpdate.cs
index b2782ac..51ecbc4 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarGuestUpdate.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarGuestUpdate.cs
@@ -7,7 +7,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>The channel.guest_star_guest.update subscription type sends a notification when a guest moves between interaction states in an active Guest Star session.</para>
     /// </summary>
-    public class ChannelGuestStarGuestUpdate : ChannelGuestStarBase
+    public sealed class ChannelGuestStarGuestUpdate : ChannelGuestStarBase
     {
         /// <summary>
         /// The current state of the user after the update has taken place. Can be one of the following:
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSessionBegin.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSessionBegin.cs
index 8cb241f..08df681 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSessionBegin.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSessionBegin.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>The channel.guest_star_session.begin subscription type sends a notification when the host begins a new Guest Star session.</para>
     /// </summary>
-    public class ChannelGuestStarSessionBegin : ChannelGuestStarSessionBase
+    public sealed class ChannelGuestStarSessionBegin : ChannelGuestStarSessionBase
     {
         /// <summary>
         /// RFC3339 timestamp indicating the time the session began.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSessionEnd.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSessionEnd.cs
index 6028b16..614790b 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSessionEnd.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSessionEnd.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>The channel.guest_star_session.end subscription type sends a notification when a running Guest Star session is ended by the host, or automatically by the system.</para>
     /// </summary>
-    public class ChannelGuestStarSessionEnd : ChannelGuestStarSessionBase
+    public sealed class ChannelGuestStarSessionEnd : ChannelGuestStarSessionBase
     {
         /// <summary>
         /// RFC3339 timestamp indicating the time the session began.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSettingsUpdate.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSettingsUpdate.cs
index be25a9f..0905ea6 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSettingsUpdate.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelGuestStarSettingsUpdate.cs
@@ -5,7 +5,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>The channel.guest_star_settings.update subscription type sends a notification when the host preferences for Guest Star have been updated.</para>
     /// </summary>
-    public class ChannelGuestStarSettingsUpdate
+    public sealed class ChannelGuestStarSettingsUpdate
     {
         /// <summary>
         /// User ID of the host channel
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelModerator.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelModerator.cs
index dc37d33..d360631 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelModerator.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelModerator.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>Moderator privileges were added to/removed from a user on a specified channel.</para>
     /// </summary>
-    public class ChannelModerator
+    public sealed class ChannelModerator
     {
         /// <summary>
         /// The user ID of the new/removed moderator.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPointsCustomReward.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPointsCustomReward.cs
index 4c3d82a..df78b85 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPointsCustomReward.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPointsCustomReward.cs
@@ -10,7 +10,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A custom channel points reward has been created/updated/removed for the specified channel.</para>
     /// </summary>
-    public class ChannelPointsCustomReward
+    public sealed class ChannelPointsCustomReward
     {
         /// <summary>
         /// The reward identifier.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPointsCustomRewardRedemption.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPointsCustomRewardRedemption.cs
index d6904fb..504b752 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPointsCustomRewardRedemption.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPointsCustomRewardRedemption.cs
@@ -10,7 +10,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>A viewer has redeemed a custom channel points reward on the specified channel.</para>
     /// <para>A redemption of a channel points custom reward has been updated for the specified channel.</para>
     /// </summary>
-    public class ChannelPointsCustomRewardRedemption
+    public sealed class ChannelPointsCustomRewardRedemption
     {
         /// <summary>
         /// The redemption identifier.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollBegin.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollBegin.cs
index 6d4707a..2d8f840 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollBegin.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollBegin.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A poll started on a specified channel.</para>
     /// </summary>
-    public class ChannelPollBegin : ChannelPollBase
+    public sealed class ChannelPollBegin : ChannelPollBase
     {
         /// <summary>
         /// The time the poll will end.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollEnd.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollEnd.cs
index 408365c..dff0667 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollEnd.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollEnd.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A poll ended on a specified channel.</para>
     /// </summary>
-    public class ChannelPollEnd : ChannelPollBase
+    public sealed class ChannelPollEnd : ChannelPollBase
     {
         /// <summary>
         /// The status of the poll. Valid values are completed, archived, and terminated.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollProgress.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollProgress.cs
index b9abf93..bac6f24 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollProgress.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPollProgress.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>Users respond to a poll on a specified channel.</para>
     /// </summary>
-    public class ChannelPollProgress : ChannelPollBase
+    public sealed class ChannelPollProgress : ChannelPollBase
     {
         /// <summary>
         /// The time the poll will end.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionBegin.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionBegin.cs
index 6230997..fbd12f1 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionBegin.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionBegin.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A Prediction started on a specified channel.</para>
     /// </summary>
-    public class ChannelPredictionBegin : ChannelPredictionBase
+    public sealed class ChannelPredictionBegin : ChannelPredictionBase
     {
         /// <summary>
         /// The time the Channel Points Prediction will automatically lock.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionEnd.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionEnd.cs
index a3c4500..42bda3c 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionEnd.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionEnd.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A Prediction ended on a specified channel.</para>
     /// </summary>
-    public class ChannelPredictionEnd : ChannelPredictionBase
+    public sealed class ChannelPredictionEnd : ChannelPredictionBase
     {
         /// <summary>
         /// ID of the winning outcome.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionLock.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionLock.cs
index 1e3ac82..7eed161 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionLock.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionLock.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A Prediction was locked on a specified channel.</para>
     /// </summary>
-    public class ChannelPredictionLock : ChannelPredictionBase
+    public sealed class ChannelPredictionLock : ChannelPredictionBase
     {
         /// <summary>
         /// The time the Channel Points Prediction was locked.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionProgress.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionProgress.cs
index 5b7257f..7efbeb8 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionProgress.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelPredictionProgress.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>Users participated in a Prediction on a specified channel.</para>
     /// </summary>
-    public class ChannelPredictionProgress : ChannelPredictionBase
+    public sealed class ChannelPredictionProgress : ChannelPredictionBase
     {
         /// <summary>
         /// The time the Channel Points Prediction will automatically lock.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelRaid.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelRaid.cs
index 5822611..e9b0c40 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelRaid.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelRaid.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>A broadcaster raids another broadcaster’s channel.</para>
     /// </summary>
-    public class ChannelRaid
+    public sealed class ChannelRaid
     {
         /// <summary>
         /// The broadcaster ID that created the raid.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShieldModeBegin.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShieldModeBegin.cs
index ae7aa29..6848e00 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShieldModeBegin.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShieldModeBegin.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>Defines the Shield Mode data that you receive when the channel.shield_mode.begin event occurs.</para>
     /// </summary>
-    public class ChannelShieldModeBegin : ShieldModeBase
+    public sealed class ChannelShieldModeBegin : ShieldModeBase
     {
         /// <summary>
         /// The UTC timestamp (in RFC3339 format) of when the moderator activated Shield Mode.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShieldModeEnd.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShieldModeEnd.cs
index 828f399..c7871d5 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShieldModeEnd.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShieldModeEnd.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>Defines the Shield Mode data that you receive when the channel.shield_mode.end event occurs.</para>
     /// </summary>
-    public class ChannelShieldModeEnd : ShieldModeBase
+    public sealed class ChannelShieldModeEnd : ShieldModeBase
     {
         /// <summary>
         /// The UTC timestamp (in RFC3339 format) of when the moderator deactivated Shield Mode.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShoutoutCreate.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShoutoutCreate.cs
index 4482945..1e4987e 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShoutoutCreate.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShoutoutCreate.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>Defines the Shoutout data that you receive when the channel.shoutout.create event occurs.</para>
     /// </summary>
-    public class ChannelShoutoutCreate : ShoutoutBase
+    public sealed class ChannelShoutoutCreate : ShoutoutBase
     {
         /// <summary>
         /// An ID that identifies the moderator that sent the Shoutout.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShoutoutReceive.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShoutoutReceive.cs
index db5999d..1eca11e 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShoutoutReceive.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelShoutoutReceive.cs
@@ -7,7 +7,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>Defines the Shoutout data that you receive when the channel.shoutout.receive event occurs.</para>
     /// </summary>
-    public class ChannelShoutoutReceive : ShoutoutBase
+    public sealed class ChannelShoutoutReceive : ShoutoutBase
     {
         /// <summary>
         /// An ID that identifies the broadcaster that received the Shoutout.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscribe.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscribe.cs
index 434349c..f472ab9 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscribe.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscribe.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>A notification when a specified channel receives a subscriber. This does not include resubscribes.</para>
     /// </summary>
-    public class ChannelSubscribe
+    public sealed class ChannelSubscribe
     {
         /// <summary>
         /// The user ID for the user who subscribed to the specified channel.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionEnd.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionEnd.cs
index 7afbf5f..7d1bde7 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionEnd.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionEnd.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>A notification when a subscription to the specified channel ends.</para>
     /// </summary>
-    public class ChannelSubscriptionEnd
+    public sealed class ChannelSubscriptionEnd
     {
         /// <summary>
         /// The user ID for the user whose subscription ended.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionGift.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionGift.cs
index 534079f..51331ea 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionGift.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionGift.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>A notification when a viewer gives a gift subscription to one or more users in the specified channel.</para>
     /// </summary>
-    public class ChannelSubscriptionGift
+    public sealed class ChannelSubscriptionGift
     {
         /// <summary>
         /// The user ID of the user who sent the subscription gift. Set to null if it was an anonymous subscription gift.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionMessage.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionMessage.cs
index f09b218..251e717 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionMessage.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelSubscriptionMessage.cs
@@ -7,7 +7,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A notification when a user sends a resubscription chat message in a specific channel.</para>
     /// </summary>
-    public class ChannelSubscriptionMessage
+    public sealed class ChannelSubscriptionMessage
     {
         /// <summary>
         /// The user ID of the user who sent a resubscription chat message.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelUnban.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelUnban.cs
index 52cdaba..0c0fe35 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelUnban.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelUnban.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>A viewer is unbanned from the specified channel.</para>
     /// </summary>
-    public class ChannelUnban
+    public sealed class ChannelUnban
     {
         /// <summary>
         /// The user id for the user who was unbanned on the specified channel.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelUpdate.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelUpdate.cs
index 073d847..dcc70c8 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelUpdate.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/ChannelUpdate.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>A broadcaster updates their channel properties e.g., category, title, mature flag, broadcast, or language.</para>
     /// </summary>
-    public class ChannelUpdate
+    public sealed class ChannelUpdate
     {
         /// <summary>
         /// The broadcaster’s user ID.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainBegin.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainBegin.cs
index 71033fa..f86683f 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainBegin.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainBegin.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A Hype Train begins on the specified channel.</para>
     /// </summary>
-    public class HypeTrainBegin : HypeTrainBase
+    public sealed class HypeTrainBegin : HypeTrainBase
     {
         /// <summary>
         /// The number of points contributed to the Hype Train at the current level.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainEnd.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainEnd.cs
index b2d50a2..97e8c5b 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainEnd.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainEnd.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A Hype Train ends on the specified channel.</para>
     /// </summary>
-    public class HypeTrainEnd : HypeTrainBase
+    public sealed class HypeTrainEnd : HypeTrainBase
     {
         /// <summary>
         /// The time when the Hype Train cooldown ends so that the next Hype Train can start.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainProgress.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainProgress.cs
index 4e30021..5ff0ad8 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainProgress.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Channel/HypeTrainProgress.cs
@@ -8,7 +8,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Channel
     /// <para>Description:</para>
     /// <para>A Hype Train makes progress on the specified channel.</para>
     /// </summary>
-    public class HypeTrainProgress : HypeTrainBase
+    public sealed class HypeTrainProgress : HypeTrainBase
     {
         /// <summary>
         /// The number of points contributed to the Hype Train at the current level.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Drop/DropEntitlementGrant.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Drop/DropEntitlementGrant.cs
index 290798c..592f412 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Drop/DropEntitlementGrant.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Drop/DropEntitlementGrant.cs
@@ -7,7 +7,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Drop
     /// <para>Description:</para>
     /// <para>An entitlement for a Drop is granted to a user.</para>
     /// </summary>
-    public class DropEntitlementGrant
+    public sealed class DropEntitlementGrant
     {
         /// <summary>
         /// The ID of the organization that owns the game that has Drops enabled.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Extension/ExtensionBitsTransactionCreate.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Extension/ExtensionBitsTransactionCreate.cs
index 133eb6c..8f27784 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Extension/ExtensionBitsTransactionCreate.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Extension/ExtensionBitsTransactionCreate.cs
@@ -7,7 +7,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Extension
     /// <para>Description:</para>
     /// <para>A Bits transaction occurred for a specified Twitch Extension.</para>
     /// </summary>
-    public class ExtensionBitsTransactionCreate
+    public sealed class ExtensionBitsTransactionCreate
     {
         /// <summary>
         /// Transaction ID.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Stream/StreamOffline.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Stream/StreamOffline.cs
index c074bcd..48d1ff2 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Stream/StreamOffline.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Stream/StreamOffline.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>The specified broadcaster stops a stream.</para>
     /// </summary>
-    public class StreamOffline
+    public sealed class StreamOffline
     {
         /// <summary>
         /// The broadcaster's user id.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/Stream/StreamOnline.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/Stream/StreamOnline.cs
index 784e1d8..7a92f3e 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/Stream/StreamOnline.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/Stream/StreamOnline.cs
@@ -7,7 +7,7 @@ namespace TwitchLib.EventSub.Core.SubscriptionTypes.Stream
     /// <para>Description:</para>
     /// <para>The specified broadcaster starts a stream.</para>
     /// </summary>
-    public class StreamOnline
+    public sealed class StreamOnline
     {
         /// <summary>
         /// The id of the stream.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserAuthorizationGrant.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserAuthorizationGrant.cs
index 31ebbf3..44adaf2 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserAuthorizationGrant.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserAuthorizationGrant.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>A user’s authorization has been granted to your client id.</para>
     /// </summary>
-    public class UserAuthorizationGrant
+    public sealed class UserAuthorizationGrant
     {
         /// <summary>
         /// The client_id of the application that was granted user access.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserAuthorizationRevoke.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserAuthorizationRevoke.cs
index 52a2ee5..abeecf8 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserAuthorizationRevoke.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserAuthorizationRevoke.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>A user’s authorization has been revoked for your client id.</para>
     /// </summary>
-    public class UserAuthorizationRevoke
+    public sealed class UserAuthorizationRevoke
     {
         /// <summary>
         /// The client_id of the application with revoked user access.
diff --git a/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserUpdate.cs b/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserUpdate.cs
index 24968ec..80e7bf5 100644
--- a/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserUpdate.cs
+++ b/TwitchLib.EventSub.Core/SubscriptionTypes/User/UserUpdate.cs
@@ -5,7 +5,7 @@
     /// <para>Description:</para>
     /// <para>A user has updated their account.</para>
     /// </summary>
-    public class UserUpdate
+    public sealed class UserUpdate
     {
         /// <summary>
         /// The user’s user id.