{
    "Function": "slitherConstructorConstantVariables",
    "File": "contracts/upgradeability/ERC1967Upgrade.sol",
    "Parent Contracts": [],
    "High-Level Calls": [],
    "Internal Calls": [],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "abstract contract ERC1967Upgrade {\n    // This is the keccak-256 hash of \"eip1967.proxy.rollback\" subtracted by 1\n    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;\n\n    /**\n     * @dev Storage slot with the address of the current implementation.\n     * This is the keccak-256 hash of \"eip1967.proxy.implementation\" subtracted by 1, and is\n     * validated in the constructor.\n     */\n    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n\n    /**\n     * @dev Emitted when the implementation is upgraded.\n     */\n    event Upgraded(address indexed implementation);\n\n    /**\n     * @dev Returns the current implementation address.\n     */\n    function _getImplementation() internal view returns (address) {\n        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n    }\n\n    /**\n     * @dev Stores a new address in the EIP1967 implementation slot.\n     */\n    function _setImplementation(address newImplementation) private {\n        require(Address.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n    }\n\n    /**\n     * @dev Perform implementation upgrade\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeTo(address newImplementation) internal {\n        _setImplementation(newImplementation);\n        emit Upgraded(newImplementation);\n    }\n\n    /**\n     * @dev Perform implementation upgrade with additional setup call.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeToAndCall(\n        address newImplementation,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        _upgradeTo(newImplementation);\n        if (data.length > 0 || forceCall) {\n            Address.functionDelegateCall(newImplementation, data);\n        }\n    }\n\n    /**\n     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeToAndCallUUPS(\n        address newImplementation,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        // Upgrades from old implementations will perform a rollback test. This test requires the new\n        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing\n        // this special case will break upgrade paths from old UUPS implementation to new ones.\n        if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {\n            _setImplementation(newImplementation);\n        } else {\n            try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {\n                require(slot == _IMPLEMENTATION_SLOT, \"ERC1967Upgrade: unsupported proxiableUUID\");\n            } catch {\n                revert(\"ERC1967Upgrade: new implementation is not UUPS\");\n            }\n            _upgradeToAndCall(newImplementation, data, forceCall);\n        }\n    }\n \n    uint256[50] private _gap;\n}"
}