{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"ty::BoundVariableKind::Region(br)"}]}
                ty::BoundVariableKind::Region(br) => {
                ty::BoundVariableKind::Ty(_) => self.next_ty_var(span).into(),
                    self.next_region_var(RegionVariableOrigin::BoundRegion(span, br, lbrct)).into()