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Additionally, what’s involved in writing a different ORM integration or just some queries from the PlanResources api? 

The output of the `PlanResources` API is documented at <https://docs.cerbos.dev/cerbos/latest/api/index.html#resources-query-plan>. There are example integrations for Prisma and SQLAlchemy at <https://github.com/cerbos/query-plan-adapters> that you can use for inspiration as well.