/** @struct  oyFilterGraph_s
 *  @ingroup objects_conversion
 *  @extends oyStruct_s
 *  @brief   A FilterGraph object
 *
 *  @version Oyranos: 0.1.10
 *  @since   2009/02/28 (Oyranos: 0.1.10)
 *  @date    2009/02/28
 */
