function assertApproxEqAbsDecimal(uint256 left, uint256 right, uint256 maxDelta, uint256 decimals) internal;function assertApproxEqAbsDecimal(uint256 left, uint256 right, uint256 maxDelta, uint256 decimals, string memory err) internal;function assertApproxEqAbsDecimal(int256 left, int256 right, uint256 maxDelta, uint256 decimals) internal;function assertApproxEqAbsDecimal(int256 left, int256 right, uint256 maxDelta, uint256 decimals, string memory err) internal;Asserts left is approximately equal to right with delta in absolute value.
left and right are formatted with decimals in the revert string.
Optionally includes an error message in the revert string.