You have your own theory or idea or experience or style but Hesitated to express if people laugh at. It could be world winning theory or style , who knows! so express it for betterment.
Lets I have a 1 cubic meter Box. now I take everything out from the box even energy. Some one will say you can not take energy out from box. lets say we make it happened. what will remain then. my answer is space . More specific answer is 1 cubic meter space will remain.
if 1 cubic meter space is taken out then We might get total emptiness. Oh! also then the box will also lost it existence.