{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"self.constraint_graph.region_graph(&self.constraints,"}]}
        self.constraint_graph.region_graph(&self.constraints, self.universal_regions().fr_static)
    pub(crate) fn region_graph(&self) -> RegionGraph<'_, 'tcx, graph::Normal> {
    }