message: Small Actor fix
diff: @@ -138,7 +138,7 @@ declare global {
  * @param isBar - Whether the new value is part of an attribute bar, or just a direct value (default: `true`)
  * @returns The updated Actor document
  */
  - modifyTokenAttribute(attribute: string, value: number, isDelta: boolean, isBar: boolean): Promise<this>;
  + modifyTokenAttribute(attribute: string, value: number, isDelta: boolean, isBar: boolean): Promise<this | undefined>;
  /** @override */
  prepareEmbeddedEntities(): void;
  