/// <summary>
        /// Initialize a new instance of the <see cref="HttpTrackingMiddleware"/> class.
        /// </summary>
        /// <param name="next">A reference to the next OwinMiddleware object in the chain.</param>
        /// <param name="options">A reference to an <see cref="HttpTrackingOptions"/> class.</param>
        public HttpTrackingMiddleware(OwinMiddleware next, HttpTrackingOptions options)
            : base(next)
        {
            storage_ = options.TrackingStore;

            if (!string.IsNullOrEmpty(options.TrackingIdPropertyName))
                trackingIdPropertyName_ = options.TrackingIdPropertyName;

            maxRequestLength_ = options.MaximumRecordedRequestLength ?? maxRequestLength_;
            maxResponseLength_ = options.MaximumRecordedResponseLength ?? maxResponseLength_;
        }
        /// <summary>
        /// Initialize a new instance of the <see cref="HttpTrackingMiddleware"/> class.
        /// </summary>
        /// <param name="next">A reference to the next OwinMiddleware object in the chain.</param>
        /// <param name="options">A reference to an <see cref="HttpTrackingOptions"/> class.</param>
        public HttpTrackingMiddleware(OwinMiddleware next, HttpTrackingOptions options)
            : base(next)
        {
            storage_ = options.TrackingStore;

            if (!string.IsNullOrEmpty(options.TrackingIdPropertyName))
            {
                trackingIdPropertyName_ = options.TrackingIdPropertyName;
            }

            maxRequestLength_  = options.MaximumRecordedRequestLength ?? maxRequestLength_;
            maxResponseLength_ = options.MaximumRecordedResponseLength ?? maxResponseLength_;
        }