DefaultDatasetQueryGateway
constructor(dataset: QueryDataset, backend: QueryBackend, schemaProvider: QueryModelSchemaProvider, filters: List<QueryFilter> = emptyList(), policies: List<QueryPolicy> = emptyList(), observer: QueryObserver = QueryObserver.NONE, entryPolicy: QueryEntryPolicy = QueryEntryPolicy.DEFAULT, authorizer: ReadAuthorizer = ReadAuthorizer.ALLOW_ALL)