[
  "event AddrChanged(bytes32 indexed,address)",
  "event AddressChanged(bytes32 indexed,uint256,bytes)",
  "event VersionChanged(bytes32 indexed,uint64)",
  "function addr(bytes32) view returns (address)",
  "function addr(bytes32,uint256) view returns (bytes)",
  "function clearRecords(bytes32)",
  "function recordVersions(bytes32) view returns (uint64)",
  "function setAddr(bytes32,uint256,bytes)",
  "function setAddr(bytes32,address)",
  "function supportsInterface(bytes4) view returns (bool)"
]