/// <summary>
 /// Creates document observer instance with client and destination collection information
 /// </summary>
 /// <returns>DocumentFeedObserver with client and destination collection information</returns>
 public IChangeFeedObserver CreateObserver()
 {
     ChangeFeedProcessor.DocumentFeedObserver newObserver = new DocumentFeedObserver();
     return(newObserver as IChangeFeedObserver);
 }
        /// <summary>
        /// Creates document observer instance with client and destination collection information
        /// </summary>
        /// <returns>DocumentFeedObserver with client and destination collection information</returns>
        public IChangeFeedObserver CreateObserver()
        {
            DocumentFeedObserver newObserver = new DocumentFeedObserver(this.client, this.collectionInfo);

            return(newObserver);
        }