interface IUniswapExchangeFactory {

    /// @dev Get the exchange for a token.
    /// @param tokenAddress The address of the token contract.
    function getExchange(address tokenAddress)
        external
        view
        returns (IUniswapExchange);
}
function getExchange(address tokenAddress)
    external
    view
    returns (IUniswapExchange);

/// @dev Get the exchange for a token.
/// @param tokenAddress The address of the token contract.