Function gstreamer_rtsp_server_sys::gst_rtsp_stream_transport_set_message_sent_full

pub unsafe extern "C" fn gst_rtsp_stream_transport_set_message_sent_full(
    trans: *mut GstRTSPStreamTransport, 
    message_sent: GstRTSPMessageSentFuncFull, 
    user_data: gpointer, 
    notify: GDestroyNotify
)

This is supported on crate feature v1_18 only.