openzeppelin-contracts/certora/harnesses/InitializableHarness.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import "../patched/proxy/utils/Initializable.sol";

contract InitializableHarness is Initializable {
    function initialize()          public initializer      {}
    function reinitialize(uint8 n) public reinitializer(n) {}
    function disable()             public { _disableInitializers(); }

    function nested_init_init()                     public initializer      { initialize();    }
    function nested_init_reinit(uint8 m)            public initializer      { reinitialize(m); }
    function nested_reinit_init(uint8 n)            public reinitializer(n) { initialize();    }
    function nested_reinit_reinit(uint8 n, uint8 m) public reinitializer(n) { reinitialize(m); }

    function version() public view returns (uint8) {
        return _getInitializedVersion();
    }

    function initializing() public view returns (bool) {
        return _isInitializing();
    }
}