entity storage tweaks (#19182)

Content.Server/Power/Components/ChargerComponent.cs

@@ -1,5 +1,6 @@
 using Content.Shared.Construction.Prototypes;
 using Content.Shared.Power;
+using Content.Shared.Whitelist;
 using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
 
 namespace Content.Server.Power.Components
@@ -13,14 +14,12 @@ namespace Content.Server.Power.Components
         /// <summary>
         /// The charge rate of the charger, in watts
         /// </summary>
-
         [DataField("chargeRate")]
         public float ChargeRate = 20.0f;
 
         /// <summary>
         /// The charge rate with no machine upgrades
         /// </summary>
-
         [DataField("baseChargeRate")]
         public float BaseChargeRate = 20.0f;
 
@@ -37,7 +36,16 @@ namespace Content.Server.Power.Components
         [DataField("partRatingChargeRateModifier")]
         public float PartRatingChargeRateModifier = 1.5f;
 
+        /// <summary>
+        /// The container ID that is holds the entities being charged.
+        /// </summary>
         [DataField("slotId", required: true)]
         public string SlotId = string.Empty;
+
+        /// <summary>
+        /// A whitelist for what entities can be charged by this Charger.
+        /// </summary>
+        [DataField("whitelist")]
+        public EntityWhitelist? Whitelist;
     }
 }