{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":")"}]}
) -> (IndexVec<ItemLocalId, ParentedNode<'hir>>, LocalDefIdMap<ItemLocalId>) {
    num_nodes: usize,
    let err_node = ParentedNode { parent: ItemLocalId::ZERO, node: Node::Err(item.span()) };