{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"pairs.extend(tree.items().map(item_to_entry));"}]}
    pairs.extend(tree.items().map(item_to_entry));
    // Top level items make for great anchors as they are the most stable and a decent boundary
    // Unfortunately, assoc items are very common in Rust, so descend into those as well and make