{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"impl<'a>"}]}
        impl<'a> MacResult for crate::mbe::macro_rules::ParserAnyMacro<'a> {
            $(fn $make_ast(self: Box<crate::mbe::macro_rules::ParserAnyMacro<'a>>)