Seal/abstract/virtual everything (#6739)

Content.Server/Electrocution/Components/ElectrifiedComponent.cs

@@ -7,7 +7,7 @@ namespace Content.Server.Electrocution
     ///     Component for things that shock users on touch.
     /// </summary>
     [RegisterComponent]
-    public class ElectrifiedComponent : Component
+    public sealed class ElectrifiedComponent : Component
     {
         [DataField("enabled")]
         public bool Enabled { get; set; } = true;

Content.Server/Electrocution/ElectrocuteCommand.cs

@@ -10,7 +10,7 @@ using Robust.Shared.Localization;
 namespace Content.Server.Electrocution
 {
     [AdminCommand(AdminFlags.Fun)]
-    public class ElectrocuteCommand : IConsoleCommand
+    public sealed class ElectrocuteCommand : IConsoleCommand
     {
         public string Command => "electrocute";
         public string Description => Loc.GetString("electrocute-command-description");

Content.Server/Electrocution/RandomInsulationComponent.cs

@@ -4,7 +4,7 @@ using Robust.Shared.Serialization.Manager.Attributes;
 namespace Content.Server.Electrocution
 {
     [RegisterComponent]
-    public class RandomInsulationComponent : Component
+    public sealed class RandomInsulationComponent : Component
     {
         [DataField("list")]
         public readonly float[] List = { 0f };