GovernedAggregates

Which of a service's aggregates are read by an access policy of their own (AccessPolicies.governs), as the node that has the policies decides. A service publishes it beside the data it writes elsewhere, so that a reader that cannot evaluate the policy, such as the analytics catalog's nodes, refuses those aggregates' rows rather than reading them by the default rule: the Spring Boot host gives the ClickHouse Sink one, which its wow_catalog rows record.

It is asked when the data is described, after the node has started, never while the node is assembled.