[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":false,"internalType":"uint64","name":"newVersion","type":"uint64"}],"name":"VersionChanged","type":"event"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"}],"name":"recordVersions","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"}]