diff --git a/api/@internal/component/ets/stateManagement.d.ts b/api/@internal/component/ets/stateManagement.d.ts
index 0fea7d5697cf83487c3a9badf7fe6e022265c017..0e11d0e5e965ced4eda340ab6ae8f661ab100238 100644
--- a/api/@internal/component/ets/stateManagement.d.ts
+++ b/api/@internal/component/ets/stateManagement.d.ts
@@ -503,84 +503,98 @@ declare abstract class SubscribaleAbstract {
 }
 
 /**
- * @since 8
+ * @since 9
+ * @StageModelOnly
  */
  declare class ContentStorage {
   /**
    * Called when a link is set.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   link(propName: string): any;
 
   /**
    * Called when a hyperlink is set.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   setAndLink<T>(propName: string, defaultValue: T): SubscribedAbstractProperty<T>;
 
   /**
    * Called when a property is set.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   prop(propName: string): any;
 
   /**
    * Called when dynamic properties are set.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   setAndProp<S>(propName: string, defaultValue: S): SubscribedAbstractProperty<S>;
 
   /**
    * Called when owning or not.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   has(propName: string): boolean;
 
   /**
    * Called when data is obtained.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   get<T>(propName: string): T | undefined;
 
   /**
    * Called when setting.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   set<T>(propName: string, newValue: T): boolean;
 
   /**
    * Called when setting or creating.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   setOrCreate<T>(propName: string, newValue: T): void;
 
   /**
    * Called when a deletion is made.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   delete(propName: string): boolean;
 
   /**
    * Called when a dictionary is sorted.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   keys(): IterableIterator<string>;
 
   /**
    * Called when a cleanup occurs.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   clear(): boolean;
 
   /**
    * Called when the data can be changed.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   isMutable(propName: string): boolean;
 
   /**
    * Called when you check how much data is stored.
-   * @since 8
+   * @since 9
+   * @StageModelOnly
    */
   size(): number;
 }