{"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"//"}]}
            // unsafe auto trait
        self.check_keyword(exp!(Auto)) && self.is_keyword_ahead(1, &[kw::Trait])
            || self.check_keyword(exp!(Unsafe)) && self.is_keyword_ahead(1, &[kw::Trait, kw::Auto])