Seal/abstract/virtual everything (#6739)

Content.Server/Nuke/Commands/SendNukeCodesCommand.cs

@@ -8,7 +8,7 @@ namespace Content.Server.Nuke.Commands
 {
     [UsedImplicitly]
     [AdminCommand(AdminFlags.Fun)]
-    public class SendNukeCodesCommand : IConsoleCommand
+    public sealed class SendNukeCodesCommand : IConsoleCommand
     {
         public string Command => "nukecodes";
         public string Description => "Send nuke codes to the communication console";

Content.Server/Nuke/Commands/ToggleNukeCommand.cs

@@ -11,7 +11,7 @@ namespace Content.Server.Nuke.Commands
 {
     [UsedImplicitly]
     [AdminCommand(AdminFlags.Fun)]
-    public class ToggleNukeCommand : IConsoleCommand
+    public sealed class ToggleNukeCommand : IConsoleCommand
     {
         public string Command => "nukearm";
         public string Description => "Toggle nuclear bomb timer. You can set timer directly. Uid is optional.";

Content.Server/Nuke/NukeCodePaperComponent.cs

@@ -7,7 +7,7 @@ namespace Content.Server.Nuke
     ///     Can be used in mapping or admins spawn.
     /// </summary>
     [RegisterComponent]
-    public class NukeCodePaperComponent : Component
+    public sealed class NukeCodePaperComponent : Component
     {
     }
 }

Content.Server/Nuke/NukeCodePaperSystem.cs

@@ -5,7 +5,7 @@ using Robust.Shared.Localization;
 
 namespace Content.Server.Nuke
 {
-    public class NukeCodePaperSystem : EntitySystem
+    public sealed class NukeCodePaperSystem : EntitySystem
     {
         [Dependency] private readonly NukeCodeSystem _codes = default!;
 

Content.Server/Nuke/NukeCodeSystem.cs

@@ -12,7 +12,7 @@ namespace Content.Server.Nuke
     ///     Nuclear code is generated once per round
     ///     One code works for all nukes
     /// </summary>
-    public class NukeCodeSystem : EntitySystem
+    public sealed class NukeCodeSystem : EntitySystem
     {
         [Dependency] private readonly IRobustRandom _random = default!;
         [Dependency] private readonly IChatManager _chat = default!;

Content.Server/Nuke/NukeComponent.cs

@@ -16,7 +16,7 @@ namespace Content.Server.Nuke
     /// </summary>
     [RegisterComponent]
     [Friend(typeof(NukeSystem))]
-    public class NukeComponent : Component
+    public sealed class NukeComponent : Component
     {
         /// <summary>
         ///     Default bomb timer value in seconds.

Content.Server/Nuke/NukeSystem.cs

@@ -23,7 +23,7 @@ using Robust.Shared.Player;
 
 namespace Content.Server.Nuke
 {
-    public class NukeSystem : EntitySystem
+    public sealed class NukeSystem : EntitySystem
     {
         [Dependency] private readonly NukeCodeSystem _codes = default!;
         [Dependency] private readonly ActionBlockerSystem _actionBlocker = default!;