/// <summary>
        /// Initializes a new instance of the StringSequenceFeedSourceStore class.
        /// </summary>
        /// <param name="preferences">IStringSequenceStore instance.</param>
        /// <param name="filterTag">Gallery filter tag for the feed sources.</param>
        public StringSequenceFeedSourceStore(IPreferences preferences, string filterTag)
            : base(preferences)
        {
            _filterTag = filterTag;

            _stringSequenceStore = new StringSequenceStore(this.Preferences);
        }
        /// <summary>
        /// Initializes a new instance of the StringSequenceFeedSourceStore class.
        /// </summary>
        /// <param name="preferences">IStringSequenceStore instance.</param>
        /// <param name="filterTag">Gallery filter tag for the feed sources.</param>
        public StringSequenceFeedSourceStore(IPreferences preferences, string filterTag)
            : base(preferences)
        {
            _filterTag = filterTag;

            _stringSequenceStore = new StringSequenceStore(this.Preferences);
        }