File: protocol/contracts/zaps/PoolMigrationZap.sol   #1

27:               IERC20(underlying_).safeApprove(address(newPool_), type(uint256).max);
File: protocol/contracts/RewardHandler.sol   #2

52:           IERC20(targetLpToken).safeApprove(address(bkdLocker), burnedAmount);
File: protocol/contracts/RewardHandler.sol   #3

64:           IERC20(token).safeApprove(spender, type(uint256).max);
File: protocol/contracts/tokenomics/FeeBurner.sol   #4

118:          IERC20(token_).safeApprove(spender_, type(uint256).max);
