{"ast_node_type":"function","tokens":[{"end":93,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn outgoing_regions(&self, region_sup: RegionVid) -> Successors<'a, 'tcx, D> {
    /// there exists a constraint `R: R1`.
        // If this is the `'static` region and the graph's direction is normal,