{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"BoundPolarity::Negative(polarity_span)"}]}
                BoundPolarity::Negative(polarity_span) | BoundPolarity::Maybe(polarity_span) => {
            match modifiers.polarity {
                    self.dcx().emit_err(errors::BinderAndPolarity {