{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"sema.ancestors_with_macros(name_ref.syntax().clone()).find_map(ast::Fn::cast)"}]}
                sema.ancestors_with_macros(name_ref.syntax().clone()).find_map(ast::Fn::cast)
            if let Some(fn_def) =
            {