{"ast_node_type":"other","tokens":[{"end":21,"kind":"keyword","start":0,"text":"num_nodes:"}]}
    num_nodes: usize,
    bodies: &SortedMap<ItemLocalId, &'hir Body<'hir>>,
) -> (IndexVec<ItemLocalId, ParentedNode<'hir>>, LocalDefIdMap<ItemLocalId>) {