/// <summary>
            /// Initializes a new instance of the <see cref="SessionPersistenceBody"/> class
            /// using the specified persistence type.
            /// </summary>
            /// <param name="persistenceType">The session persistence mode to use.</param>
            /// <exception cref="ArgumentNullException">If <paramref name="persistenceType"/> is <see langword="null"/>.</exception>
            protected internal SessionPersistenceBody(SessionPersistenceType persistenceType)
            {
                if (persistenceType == null)
                    throw new ArgumentNullException("persistenceType");

                _persistenceType = persistenceType;
            }
        /// <summary>
        /// Initializes a new instance of the <see cref="SessionPersistence"/> class using
        /// the specified persistence type.
        /// </summary>
        /// <param name="persistenceType">The session persistence mode to use.</param>
        /// <exception cref="ArgumentNullException">If <paramref name="persistenceType"/> is <see langword="null"/>.</exception>
        public SessionPersistence(SessionPersistenceType persistenceType)
        {
            if (persistenceType == null)
                throw new ArgumentNullException("persistenceType");

            _body = new SessionPersistenceBody(persistenceType);
        }