Inherits: BlacklistGuard
Author: Daniel Yamagata & Jerry Qi & Naveen Ailawadi
A blacklist guard whose 'controller' is the 'governor' of the company of the 'controlled'.
Overridden __controller() such that it returns the controlled's governor
function coreId() public pure virtual override returns (bytes32);
function version() public pure virtual override returns (uint256);
function __controller() internal view virtual override returns (address);