The caseSensitiveHttpHeaders property is not present in the APPolicy CRD. There are customers that require this in order to quickly mitigate the effects of using downstream proxies that mutate header casing, such as Envoy does

The setting is documented here, but is missing in the CRD here:
https://github.com/nginxinc/kubernetes-ingress/blob/2bd2646b6555b09334227ca09971609389968944/deployments/common/crds/appprotect.f5.com_appolicies.yaml#L335