+private:
+ /**
+ * @brief Called by the DoRelayout to do HorizontalAlignment operation when relayouting.
+ *
+ * @param[in] impl A reference to the controller impl class
+ * @param[in] size The size to set
+ * @param[in] startIndex The start index for relayouting
+ * @param[in] requestedNumberOfCharacters The number Of characters for relayouting
+ */
+
+ static void DoRelayoutHorizontalAlignment(Controller::Impl& impl, const Size& size, const CharacterIndex startIndex, const Length requestedNumberOfCharacters);