{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"self.tcx.fn_trait_kind_to_def_id(call_kind)?,"}]}
                            self.tcx.fn_trait_kind_to_def_id(call_kind)?,
                            self.tcx,
                            [callee_ty, self.next_ty_var(DUMMY_SP)],