{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"hir::ItemKind::Trait(..,"}]}
        hir::ItemKind::Trait(.., generics, supertraits, _) => (generics, supertraits),
    let (generics, superbounds) = match item.kind {
        hir::ItemKind::TraitAlias(_, generics, supertraits) => (generics, supertraits),