{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"impl<'d,"}]}
impl<'d, 'tcx, A: scc::Annotation> SccAnnotations<'d, 'tcx, A> {
    pub(crate) fn init(definitions: &'d IndexVec<RegionVid, RegionDefinition<'tcx>>) -> Self {