{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"(FnKind::AssocTraitImpl,"}]}
        (FnKind::AssocTraitImpl, FnKind::AssocTrait) => {
            build_generics(tcx, sig_id, Some(tcx.parent(def_id.into())), InheritanceKind::Own)