Integrating up through commit 90f050496

Code/Framework/AzFramework/AzFramework/API/ApplicationAPI.h

@@ -93,8 +93,8 @@ namespace AzFramework
 
         /// Execute a function in a new thread and pump the system event loop at the specified frequency until the thread returns.
         virtual void PumpSystemEventLoopWhileDoingWorkInNewThread(const AZStd::chrono::milliseconds& /*eventPumpFrequency*/,
-                                                                  const AZStd::function<void()>& /*workForNewThread*/,
-                                                                  const char* /*newThreadName*/) {}
+            const AZStd::function<void()>& /*workForNewThread*/,
+            const char* /*newThreadName*/) {}
 
         /// Run the main loop until ExitMainLoop is called.
         virtual void RunMainLoop() {}
@@ -114,6 +114,21 @@ namespace AzFramework
         /// Calculate the branch token from the current application's engine root
         virtual void CalculateBranchTokenForEngineRoot(AZStd::string& token) const = 0;
 
+        /// Returns true if Prefab System is enabled, false if Legacy Slice System is enabled
+        virtual bool IsPrefabSystemEnabled() const { return true; }
+
+        /// Returns true if the additional work in progress Prefab features are enabled, false otherwise
+        virtual bool ArePrefabWipFeaturesEnabled() const { return false; }
+
+        /// Sets whether or not the Prefab System should be enabled.  The application will need to be restarted when this changes
+        virtual void SetPrefabSystemEnabled([[maybe_unused]] bool enable) {}
+
+        /// Returns true if Prefab System is enabled for use with levels, false if legacy level system is enabled (level.pak)
+        virtual bool IsPrefabSystemForLevelsEnabled() const { return false; }
+
+        /// Returns true if code should assert when the Legacy Slice System is used
+        virtual bool ShouldAssertForLegacySlicesUsage() const { return false; }
+
         /*!
         * Returns a Type Uuid of the component for the given componentId and entityId.
         * if no component matches the entity and component Id pair, a Null Uuid is returned