interface ILendingRateOracle {
    /**
    @dev returns the market borrow rate in ray
    **/
    function getMarketBorrowRate(address _asset) external view returns (uint256);

    /**
    @dev sets the market borrow rate. Rate value must be in ray
    **/
    function setMarketBorrowRate(address _asset, uint256 _rate) external;
}
/**
 * @title ILendingRateOracle interface
 * @notice Interface for the Aave borrow rate oracle. Provides the average market borrow rate to be used as a base for the stable borrow rate calculations
 **/
function getMarketBorrowRate(address _asset) external view returns (uint256);

/**
 @dev returns the market borrow rate in ray
 **/