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getInitializationBlock() == PETRIFIED_BLOCK;\n }\n\n /**\n * @dev Function to be called by top level contract to prevent being initialized.\n * Useful for freezing base contracts when they're used behind proxies.\n */\n function petrify() internal onlyInit {\n initializedAt(PETRIFIED_BLOCK);\n }\n}\n", "sourcePath": "@aragon/os/contracts/common/Petrifiable.sol", "ast": { "absolutePath": "@aragon/os/contracts/common/Petrifiable.sol", "exportedSymbols": { "Petrifiable": [ 10871 ] }, "id": 10872, "nodeType": "SourceUnit", "nodes": [ { "id": 10840, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "44:24:34" }, { "absolutePath": "@aragon/os/contracts/common/Initializable.sol", "file": "./Initializable.sol", "id": 10841, "nodeType": "ImportDirective", "scope": 10872, "sourceUnit": 10811, "src": "70:29:34", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 10842, "name": 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