How to hide certain properties of camunda provider in properties panel

I need to use the condition group for my task but it is contained in camunda Platform properties provider which contain alot of properties that I do not wish to use. How do I hide/exclude them or if possible how do I use condition group using my custom provider.

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I think it is related to this but the link for sandbox seems to be broken.

The link seems to be working for me. Can you let me know what issue you have with the link?