Flags

uint256 public constant UNWRAP_ETH;

uint256 public constant REVERT_IF_EXTERNAL_FAIL;

uint256 public constant PROXY_WITH_SENDER;

uint256 public constant SEND_HASHED_DATA;

function getFlag(
    uint256 _packedFlags,
    uint256 _flag
) internal returns (bool)

function setFlag(
    uint256 _packedFlags,
    uint256 _flag,
    bool _value
) internal returns (uint256)