{"ast_node_type":"variable","tokens":[{"end":93,"kind":"keyword","start":0,"text":"let"}]}
    let (mut missing_trait_item, mut missing_trait_item_none, mut missing_trait_item_label) =
        tcx.sess.source_map().indentation_before(sugg_sp).unwrap_or_else(|| String::new());
        (Vec::new(), Vec::new(), Vec::new());