/// <summary> /// Determine if the item is in the estimator. /// </summary> /// <param name="item"></param> /// <returns></returns> public bool Contains(TEntity item) { //if the strata estimator can't determine membership, assume it is in there (and count it toward false positives) //this only happens for a very small subset of items, that have a strata above the maximum strata of the estimator. return(_strataEstimator.Contains(item) ?? true); }