{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"ty::ClauseKind::TypeOutlives(p)"}]}
                ty::ClauseKind::TypeOutlives(p) => p.to_string(),
                ty::ClauseKind::RegionOutlives(p) => p.to_string(),
                err => bug!("unexpected clause {:?}", err),