{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"self.next_ty_var_with_origin(TypeVariableOrigin"}]}
        self.next_ty_var_with_origin(TypeVariableOrigin { span, param_def_id: None })
    pub fn next_ty_var(&self, span: Span) -> Ty<'tcx> {
    }