> For the complete Linea documentation index, see [llms.txt](/llms.txt). > Agents can fetch this page as Markdown at [https://docs.linea.build/reference/smart-contracts/messageservice/lib/timelock.md](https://docs.linea.build/reference/smart-contracts/messageservice/lib/timelock.md). # TimeLock # `TimeLock` This timelock contract will be the owner of all upgrades that gives users confidence and an ability to exit should they want to before an upgrade takes place ### constructor ```solidity constructor(uint256 minDelay, address[] proposers, address[] executors, address admin) public ```