contract UpgradeabilityOwnerStorage {
    // Owner of the contract
    address private _upgradeabilityOwner;

    /**
    * @dev Tells the address of the owner
    * @return the address of the owner
    */
    function upgradeabilityOwner() public view returns (address) {
        return _upgradeabilityOwner;
    }

    /**
    * @dev Sets the address of the owner
    */
    function setUpgradeabilityOwner(address newUpgradeabilityOwner) internal {
        _upgradeabilityOwner = newUpgradeabilityOwner;
    }

}
/**
 * @title UpgradeabilityOwnerStorage
 * @dev This contract keeps track of the upgradeability owner
 */
function upgradeabilityOwner() public view returns (address) {
        return _upgradeabilityOwner;
    }
/**
 * @dev Tells the address of the owner
 * @return the address of the owner
 */