Well as far as I know Mahakua Hacienda San Antonio never was Aman, Umaid Bhawan is not an Aman, Bora Bora, Le Melezin and Amangalla were completed renewed when aman took over (Bora Bora is again close for renovations).
Warapuru is a brand new bilding and the architecture has some things that does not go along with Aman concept - believe me , I was there ...