pub unsafe extern "C" fn gst_device_provider_factory_has_classesv(
factory: *mut GstDeviceProviderFactory,
classes: *mut *mut c_char,
) -> gboolean
pub unsafe extern "C" fn gst_device_provider_factory_has_classesv(
factory: *mut GstDeviceProviderFactory,
classes: *mut *mut c_char,
) -> gboolean