{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"ty::FreshTy(_)"}]}
                        ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_) => {
                        ty::FloatVar(_) => self.next_float_var(),
                            bug!("unexpected fresh ty outside of the trait solver")