```\\nfunction unlockStake() external {\\n    DepositInfo storage info = deposits[msg.sender];\\n    require(info.unstakeDelaySec != 0, "not staked");\\n    require(info.staked, "already unstaking");\\n    uint48 withdrawTime = uint48(block.timestamp) + info.unstakeDelaySec;\\n    info.withdrawTime = withdrawTime;\\n    info.staked = false;\\n    emit StakeUnlocked(msg.sender, withdrawTime);\\n}\\n```\\n