interface IUsdAggregatorV1 {

    /**
     * @return The USD value of a currency, with 8 decimals.
     */
    function currentAnswer() external view returns (uint);

}
/**
 * @dev Gets the USD value of a currency with 8 decimals.
 */
function currentAnswer() external view returns (uint);

/**
 * @return The USD value of a currency, with 8 decimals.
 */