{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"self.next_region_var(RegionVariableOrigin::BoundRegion(span,"}]}
                    self.next_region_var(RegionVariableOrigin::BoundRegion(span, br, lbrct)).into()
                ty::BoundVariableKind::Region(br) => {
                }