{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"let"}]}
        let hir::ExprKind::Index(_, idx2, _) = parent.kind else { return };
        let hir::Node::Expr(parent) = tcx.parent_hir_node(index2.hir_id) else { return };
        if idx1.equivalent_for_indexing(idx2) {