{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"self.infcx.tcx.fn_sig(self.mir_def_id()).instantiate_identity(),"}]}
                        self.infcx.tcx.fn_sig(self.mir_def_id()).instantiate_identity(),
                        self.mir_def_id(),
                    ),