{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"self.next_region_var(RegionVariableOrigin::Misc(DUMMY_SP)).into()"}]}
                                self.next_region_var(RegionVariableOrigin::Misc(DUMMY_SP)).into()
                            GenericArgKind::Lifetime(_) => {
                            }