SceneHolder& operator=(const SceneHolder& rhs);
/**
+ * @brief This move constructor is required for (smart) pointer semantics.
+ *
+ * @param [in] handle A reference to the moved handle
+ */
+ SceneHolder(SceneHolder&& handle) noexcept;
+
+ /**
+ * @brief This move assignment operator is required for (smart) pointer semantics.
+ *
+ * @param [in] rhs A reference to the moved handle
+ * @return A reference to this
+ */
+ SceneHolder& operator=(SceneHolder&& rhs) noexcept;
+
+ /**
* @brief Adds a child Actor to the SceneHolder.
*
* The child will be referenced.