private IList<template_bundle> GetRegisteredTemplateBundles(bool isAsync, GetRegisteredTemplateBundlesCallback callback, Object state)
        {
            var parameterList = new Dictionary<string, string> { { "method", "facebook.feed.getRegisteredTemplateBundles" } };

            if (isAsync)
            {
                SendRequestAsync<feed_getRegisteredTemplateBundles_response, IList<template_bundle>>(parameterList, !string.IsNullOrEmpty(Session.SessionKey), new FacebookCallCompleted<IList<template_bundle>>(callback), state, "template_bundle");
                return null;
            }

            var response = SendRequest<feed_getRegisteredTemplateBundles_response>(parameterList, !string.IsNullOrEmpty(Session.SessionKey));
            return response == null ? null : response.template_bundle;
        }
 /// <summary>
 /// Retrieves the full list of all the template bundles registered by the requesting application.
 /// </summary>
 /// <example>
 /// <code>
 /// private static void RunDemoAsync()
 /// {
 ///     Api api = new Api(new DesktopSession(Constants.ApplicationKey, Constants.ApplicationSecret, Constants.SessionSecret, Constants.SessionKey));
 ///     api.Feed.GetRegisteredTemplateBundlesAsync(AsyncDemoCompleted, null);
 /// }
 ///
 /// private static void AsyncDemoCompleted(IList&lt;template_bundle&gt; result, Object state, FacebookException e)
 /// {
 ///     var actual = result;
 /// }
 /// </code>
 /// </example>
 /// <param name="callback">The AsyncCallback delegate</param>
 /// <param name="state">An object containing state information for this asynchronous request</param>        
 /// <returns>This method returns a List of template_bundles.</returns>
 public void GetRegisteredTemplateBundlesAsync(GetRegisteredTemplateBundlesCallback callback, Object state)
 {
     GetRegisteredTemplateBundles(true, callback, state);
 }