```\n        function _mintInternal(address _receiver,uint _balanceIncreased, uint _totalAsset\n          ) internal returns (uint mintShares) {\n             unfreezeTime[_receiver] = block.timestamp + mintFreezeInterval;\n          if (freezeBuckets.interval > 0) {\n         FreezeBuckets.addToFreezeBuckets(freezeBuckets, _balanceIncreased.toUint96());\n        }\n```\n