/// <summary>
/// Suspend the current dialog until the user has sent a message to the bot.
/// </summary>
/// <param name="stack">The dialog stack.</param>
/// <param name="resume">The method to resume when the message has been received.</param>
public static void Wait(this IDialogStack stack, ResumeAfter <Message> resume)
{
stack.Wait <Message>(resume);
}
/// <summary>
/// Suspend the current dialog until the user has sent a message to the bot.
/// </summary>
/// <param name="stack">The dialog stack.</param>
/// <param name="resume">The method to resume when the message has been received.</param>
public static void Wait(this IDialogStack stack, ResumeAfter <IMessageActivity> resume)
{
stack.Wait <IMessageActivity>(resume);
}