* @param[out] logicalModel Pointer to a logical text model instance.
* @param[out] visualModel Pointer to a visual text model instance.
* @param[out] metrics Pointer to a wrapper around FontClient used to get metrics.
* @param[out] logicalModel Pointer to a logical text model instance.
* @param[out] visualModel Pointer to a visual text model instance.
* @param[out] metrics Pointer to a wrapper around FontClient used to get metrics.