{"ast_node_type":"impl","tokens":[{"end":88,"kind":"keyword","start":0,"text":"//"}]}
            // Do not try to infer the return type for a impl method coming from a trait
        ImplItem(hir::ImplItem { kind: ImplItemKind::Fn(sig, _), generics, .. }) => {
            if let Item(hir::Item { kind: ItemKind::Impl(i), .. }) = tcx.parent_hir_node(hir_id)