Seal/abstract/virtual everything (#6739)

Content.Server/Kudzu/GrowingKudzuComponent.cs

@@ -5,7 +5,7 @@ using Robust.Shared.ViewVariables;
 namespace Content.Server.Kudzu;
 
 [RegisterComponent]
-public class GrowingKudzuComponent : Component
+public sealed class GrowingKudzuComponent : Component
 {
     [DataField("growthLevel")]
     public int GrowthLevel = 1;

Content.Server/Kudzu/GrowingKudzuSystem.cs

@@ -7,7 +7,7 @@ using Robust.Shared.Random;
 
 namespace Content.Server.Kudzu;
 
-public class GrowingKudzuSystem : EntitySystem
+public sealed class GrowingKudzuSystem : EntitySystem
 {
     [Dependency] private readonly IRobustRandom _robustRandom = default!;
 

Content.Server/Kudzu/SpreaderComponent.cs

@@ -11,7 +11,7 @@ namespace Content.Server.Kudzu;
 /// Currently does not support growing in space.
 /// </summary>
 [RegisterComponent, Friend(typeof(SpreaderSystem))]
-public class SpreaderComponent : Component
+public sealed class SpreaderComponent : Component
 {
     /// <summary>
     /// Chance for it to grow on any given tick, after the normal growth rate-limit (if it doesn't grow, SpreaderSystem will pick another one.).

Content.Server/Kudzu/SpreaderSystem.cs

@@ -13,7 +13,7 @@ using Robust.Shared.Random;
 namespace Content.Server.Kudzu;
 
 // Future work includes making the growths per interval thing not global, but instead per "group"
-public class SpreaderSystem : EntitySystem
+public sealed class SpreaderSystem : EntitySystem
 {
     [Dependency] private readonly IRobustRandom _robustRandom = default!;
     [Dependency] private readonly IMapManager _mapManager = default!;