{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"sm.span_to_snippet(arg.span.find_ancestor_inside(expr.span).unwrap_or(arg.span))"}]}
                sm.span_to_snippet(arg.span.find_ancestor_inside(expr.span).unwrap_or(arg.span))
            [arg] => {
            }