/// <summary>
/// Default constructor
/// </summary>
/// <param name="notificationHandlers">Array of notification handlers</param>
public MessageManager(INotificationHandler[] notificationHandlers)
{
_notificationHandlers = notificationHandlers
.SelectMany(h => h.NotificationTypes.Select(nt => new { Handler = h, Type = nt }))
.ToLookup(h => h.Type, h => h.Handler, StringComparer.OrdinalIgnoreCase);
}
