+/**
+ * @brief Sets the background properties.
+ *
+ * @param[in] controller The text's controller.
+ * @param[in] value The values of the background's properties.
+ * @param[in] type Whether the property is for the default background or the input background.
+ *
+ * @return Whether the background properties have been updated.
+ */
+bool SetBackgroundProperties( ControllerPtr controller, const Property::Value& value, EffectStyle::Type type );
+
+/**
+ * @brief Retrieves the background's properties.
+ *
+ * @param[in] controller The text's controller.
+ * @param[out] value The value of the underline's properties.
+ * @param[in] type Whether the property is for the default background or the input background.
+ */
+void GetBackgroundProperties( ControllerPtr controller, Property::Value& value, EffectStyle::Type type );
+