methods {
    function name()                                external returns (string)  envfree;
    function symbol()                              external returns (string)  envfree;
    function decimals()                            external returns (uint8)   envfree;
    function totalSupply()                         external returns (uint256) envfree;
    function balanceOf(address)                    external returns (uint256) envfree;
    function allowance(address,address)            external returns (uint256) envfree;
    function approve(address,uint256)              external returns (bool);
    function transfer(address,uint256)             external returns (bool);
    function transferFrom(address,address,uint256) external returns (bool);
}