Create custom ClusterRole that inherits from default edit?

General Discussions
1

I would like to create a new/custom ClusterRole that has everything the default edit role has + a few more privileges (e.g. can create namespace).

Instead of creating this role like:

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: my-custom-edit
rules:
- apiGroups:
  - ""
  resources:
  - namespaces
  verbs:
  - get
  - list
  - create
  - delete
  - patch
- apiGroups:
  - ""
  resources:
  - secrets
  verbs:
  - list
...

as a raw copy of the existing default edit role and add all of the edit privileges + the additional privileges that I need is there someway to specify that my new custom clusterrole should inherit all the privileges from edit?

I have looked at:

But:

If you create a new ClusterRole that matches the label selector of an existing aggregated ClusterRole, that change triggers adding the new rules into the aggregated ClusterRole

I don’t want to modify the existing default roles (or combine existing ones into a new one). I want to create a new ClusterRole that just inherits from existing default clusterroles without modifying the default role.

Any suggestions?