{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"self.tcx.expn_hash_to_expn_id(krate,"}]}
            self.tcx.expn_hash_to_expn_id(krate, index_guess, hash)
            let index_guess = self.foreign_expn_data[&hash];
        };