{"ast_node_type":"variable","tokens":[{"end":79,"kind":"keyword","start":0,"text":"&&"}]}
                            && let ty::Infer(ty::TyVar(term_vid)) = term.kind()
                        if let ty::TermKind::Ty(term) = self.term.kind()
                            && self.delegate.root_ty_var(vid) == self.delegate.root_ty_var(term_vid)