interface IComptroller {
    /*** Assets You Are In ***/

    function enterMarkets(address[] calldata cTokens)
        external
        returns (uint256[] memory);

    // Claim all the COMP accrued by holder in specific markets
    function claimComp(address holder, address[] calldata cTokens) external;

    function markets(address cTokenAddress)
        external
        view
        returns (bool, uint256);
}
function enterMarkets(address[] calldata cTokens)
    external
    returns (uint256[] memory);

/*** Assets You Are In ***/