(OceanAdapter.sol)
function _convertDecimals(
        uint8 decimalsFrom,
        uint8 decimalsTo,
        uint256 amountToConvert
    )
        internal
        pure
>       returns (uint256 convertedAmount)
 function _convertDecimals(
        uint8 decimalsFrom,
        uint8 decimalsTo,
        uint256 amountToConvert
    )
        internal
        pure
>       returns (uint256 convertedAmount, uint256 truncatedAmount)
     * @dev convert a uint256 from one fixed point decimal basis to another,
     *   returning the truncated amount if a truncation occurs.
