function detectTransferRestriction(address from, address to, uint256 value) public view returns (uint8) {
    if (!hasMember(to)) {
        return DESTINATION_NOT_A_MEMBER_RESTRICTION_CODE;
    }
    return SUCCESS_CODE;
}
// function checkTransferRestriction(address from, address to, uint256 value) public view returns (bool) {
//     return share.checkTransferRestriction(from, to, value);
// }
    modifier restricted(address from, address to, uint256 value) {
        uint8 restrictionCode = detectTransferRestriction(from, to, value);
        require(restrictionCode == restrictionManager.SUCCESS_CODE(), messageForTransferRestriction(restrictionCode));
        _;
    }
    function testTransferFromTokensFromBlacklistedAccountWorks(uint256 amount, address targetUser, uint256 validUntil) public {
        vm.assume(baseAssumptions(validUntil, targetUser));

        restrictionManager.updateMember(targetUser, validUntil);
        assertEq(restrictionManager.members(targetUser), validUntil);
        restrictionManager.updateMember(address(this), block.timestamp);
        assertEq(restrictionManager.members(address(this)), block.timestamp);

        token.mint(address(this), amount);
        vm.warp(block.timestamp + 1);

        token.transferFrom(address(this), targetUser, amount);
        assertEq(token.balanceOf(targetUser), amount);
    }
