pub unsafe extern "C" fn gst_analytics_relation_meta_exist(
rmeta: *const GstAnalyticsRelationMeta,
an_meta_first_id: c_uint,
an_meta_second_id: c_uint,
max_relation_span: c_int,
cond_types: GstAnalyticsRelTypes,
relations_path: *mut *mut GArray,
) -> gboolean