public void Insert(IEnumerable<TEntity> item)
        {
            var list = new List<WriteModel<TEntity>>();
            foreach (var iitem in item)
            {
                list.Add(new InsertOneModel<TEntity>(iitem));
            }
            _table.BulkWriteAsync(list).Wait();
        }

        public void Update(IEnumerable<TEntity> item)
        {

            var list = new List<WriteModel<TEntity>>();

            foreach (var iitem in item)
            {
                QueryDocument queryDocument = new QueryDocument("_id", new ObjectId(typeof(TEntity).GetProperty(EntityKey).GetValue(iitem).ToString()));
                list.Add(new UpdateOneModel<TEntity>(queryDocument, Builders<TEntity>.Update.Combine(GeneratorMongoUpdate(iitem))));
            }
            _table.BulkWriteAsync(list).Wait();
        }

        public void Delete(IEnumerable<TEntity> item)
        {
            var list = new List<WriteModel<TEntity>>();

            foreach (var iitem in item)
            {
                QueryDocument queryDocument = new QueryDocument("_id", new ObjectId(typeof(TEntity).GetProperty(EntityKey).GetValue(iitem).ToString()));
                list.Add(new DeleteOneModel<TEntity>(queryDocument));
            }
            _table.BulkWriteAsync(list).Wait();
        }