Where do shared Tenant definitions get stored in Database per Tenant model?

Hi team,

I would like to use Tenant level isolation and hence store database per Tenant model, I am curios to know where does Shared Tenant definitions get stored, is there a separate database for shared definitions? Also, Is it possible to have one process engine for all tenants in database per tenant model?

We have a requirement to provide default definitions that Tenant can customise or use as is when launching a new process.

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