Optional ReadonlyidentityActual columnar rows, preserving duplicate GUIDs/EXPRESS identities. A point lookup cannot establish multiplicity. Missing support stays unknown.
ReadonlyownerReadonlysourceOptionalsourceFull source identity verified by the host for this read. Omit for legacy name-only models.
ReadonlystoreReturns a positive express id, or a value <= 0 when the GlobalId is not in the model.
Optionalstorey
A real host-owned source. Reading this contract never allocates an editor.