Seal/abstract/virtual everything (#6739)

Content.Server/Medical/Components/MedicalScannerComponent.cs

@@ -26,7 +26,7 @@ namespace Content.Server.Medical.Components
     [RegisterComponent]
     [ComponentReference(typeof(IActivate))]
     [ComponentReference(typeof(SharedMedicalScannerComponent))]
-    public class MedicalScannerComponent : SharedMedicalScannerComponent, IActivate, IDestroyAct
+    public sealed class MedicalScannerComponent : SharedMedicalScannerComponent, IActivate, IDestroyAct
     {
         [Dependency] private readonly IEntityManager _entMan = default!;
         [Dependency] private readonly IServerPreferencesManager _prefsManager = null!;

Content.Server/Medical/CrewMonitoring/CrewMonitoringConsoleComponent.cs

@@ -8,7 +8,7 @@ namespace Content.Server.Medical.CrewMonitoring
 {
     [RegisterComponent]
     [Friend(typeof(CrewMonitoringConsoleSystem))]
-    public class CrewMonitoringConsoleComponent : Component
+    public sealed class CrewMonitoringConsoleComponent : Component
     {
         /// <summary>
         ///     List of all currently connected sensors to this console.

Content.Server/Medical/CrewMonitoring/CrewMonitoringConsoleSystem.cs

@@ -9,7 +9,7 @@ using Robust.Shared.Timing;
 
 namespace Content.Server.Medical.CrewMonitoring
 {
-    public class CrewMonitoringConsoleSystem : EntitySystem
+    public sealed class CrewMonitoringConsoleSystem : EntitySystem
     {
         [Dependency] private readonly SuitSensorSystem _sensors = default!;
         [Dependency] private readonly IGameTiming _gameTiming = default!;

Content.Server/Medical/SuitSensors/SuitSensorSystem.cs

@@ -22,7 +22,7 @@ using Robust.Shared.Timing;
 
 namespace Content.Server.Medical.SuitSensors
 {
-    public class SuitSensorSystem : EntitySystem
+    public sealed class SuitSensorSystem : EntitySystem
     {
         [Dependency] private readonly PopupSystem _popupSystem = default!;
         [Dependency] private readonly IRobustRandom _random = default!;