contract Token {
    /* Externals */
    function transfer(address _to, uint256 _amount) external returns (bool _success) {}
    function bulkTransfer(address[] _to, uint256[] _amount) external returns (bool _success) {}
    /* Constants */
    function balanceOf(address _owner) public view returns (uint256 _balance) {}
}
function transfer(address _to, uint256 _amount) external returns (bool _success) {}

/* Externals */