    function _distributeUnlockedCredit(address yieldToken) internal {
        YieldTokenParams storage yieldTokenParams = _yieldTokens[yieldToken];


        uint256 unlockedCredit = _calculateUnlockedCredit(yieldToken);
        if (unlockedCredit == 0) {
            return;
        }


        yieldTokenParams.accruedWeight     += unlockedCredit * FIXED_POINT_SCALAR / yieldTokenParams.totalShares;
        yieldTokenParams.distributedCredit += unlockedCredit;
    }
