OptionalArtifactMJ: Artifact Versions ID when Kind is 'Artifact'.
OptionalEntityMemberJunction entity name when Kind is 'View'.
OptionalExtraSQL filter clause when Kind is 'View'.
OptionalFieldsExplicit field projection list for 'View' queries to minimize payload size.
Mechanism used by Pre-Production to resolve this binding.
OptionalParametersOpen key-value parameter map passed to a parameterized query (Kind: 'Query').
OptionalQueryMJ: Queries ID when Kind is 'Query'.
Authoritative query, view, artifact, or inline data source definition (§10.1).