{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"hir::ItemKind::Impl(impl_)"}]}
            hir::ItemKind::Impl(impl_) => (impl_.generics, None, false),
        Node::Item(item) => match item.kind {
            hir::ItemKind::Fn { generics, .. } => (generics, None, false),