+ * @brief Update anchor position from given number of removed characters.
+ *
+ * @param[in] cursorOffset Start position from the current cursor position to start deleting characters.
+ * @param[in] numberOfCharacters The number of removed characters.
+ * @param[in] previousCursorIndex A cursor position before event occurs.
+ */
+ void RemoveTextAnchor(int cursorOffset,
+ int numberOfCharacters,
+ CharacterIndex previousCursorIndex);
+
+private: // Relayout.
+ /**