[{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isGuard","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"newGuard","outputs":[{"internalType":"contract DSGuard","name":"guard","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"}]