require((reserves.reserve0 >= PoolUtils.DUST) && (reserves.reserve0 >= PoolUtils.DUST), "Insufficient reserves after liquidity removal");
require(((reserves.reserve0 >= PoolUtils.DUST && reserves.reserve0 >= PoolUtils.DUST) || (reserves.reserve0 == 0 && reserves.reserve0 == 0)), "Insufficient reserves after liquidity removal");
