Set client-body-buffer-size and proxy-body-size per ingress/service

Questions
1

how can i set the body-size and body-buffer-size per ingress/service in kongingress?
in nginxIngress it looks like this:
“nginx.ingress.kubernetes.io/proxy-body-size”: “5M”,
“nginx.ingress.kubernetes.io/client-body-buffer-size”: “5M”,

2

Interested by answer, is it possible ? Id’ like to avoir large limits on entire instance just for 1 service …