{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"BoundAsyncness::Async(self.prev_token.span)"}]}
            BoundAsyncness::Async(self.prev_token.span)
            self.psess.gated_spans.gate(sym::async_trait_bounds, self.prev_token.span);
        } else if self.may_recover()