syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"ty::ReBound(db,"}]}
source_snippet:             ty::ReBound(db, br) if db >= self.current_index => {
context_before:         let region = match r.kind() {
context_after:                 *self.region_map.entry(br).or_insert_with(|| name(Some(db), self.current_index, br))