{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"PatKind::Binding(BindingMode(by_ref,"}]}
            PatKind::Binding(BindingMode(by_ref, mutbl), _, ident, sub) => {
            PatKind::Never => self.word("!"),
                if mutbl.is_mut() {