contract XEuro {

    // standard ERC20 balanceOf function
    function balanceOf(address _account) external view returns (uint);

    // standard ERC20 transfer function
    function transfer(address _recipient, uint _amount) external returns (bool);

}
/**
 * @title xEUR smart contract
 * dev: contract with xEUR tokens, that will be used to pay dividends
 *      see: https://xeuro.online
 */
function balanceOf(address _account) external view returns (uint);
// standard ERC20 balanceOf function