Optional ReadonlyassetOptional ReadonlycollectionOptional ReadonlycrsOptional ReadonlyentityOptional ReadonlyformatOptional ReadonlylayerOptional ReadonlylocaleOptional ReadonlyprocessOptional ReadonlyprofileOptional ReadonlyprojectOptional ReadonlyserviceOptional ReadonlysourceOptional ReadonlystyleOptional ReadonlytenantOptional ReadonlytileOptional ReadonlytypeWFS feature type or WMS layer name at a shared service endpoint.
Opaque per-asset discriminator for adapters whose discovered snapshot depends on inputs beyond the endpoint URL — for example GeoParquet's additional file set and geometry-column override, which change the projected schema/locator for the same primary asset URL. Folding it into the identity prevents distinct inputs from colliding on one cached snapshot.