later Emperor  Shah Jahan , as well as numerous other subsequent Mughals, including Emperor  Jahandar Shah ,  Farrukhsiyar ,  Rafi Ul-Darjat ,  Rafi Ud-Daulat  and  Alamgir .  It represented a leap in  Mughal architecture , and together with its accomplished  Charbagh  garden, typical of  Persian gardens , but never seen before