{
    "Function": "_sub",
    "File": "contracts/src/vendor/forge-std/src/mocks/MockERC20.sol",
    "Parent Contracts": [
        "contracts/src/vendor/forge-std/src/interfaces/IERC20.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _sub(uint256 a, uint256 b) internal pure returns (uint256) {\n        require(a >= b, \"ERC20: subtraction underflow\");\n        return a - b;\n    }"
}