*
 * @param T the domain object type
 * @param C the concrete container type
 */
inline val <T : Any, C : NamedDomainObjectCollection<T>> C.existing: ExistingDomainObjectDelegateProvider<out C>
    get() = ExistingDomainObjectDelegateProvider.of(this)


/**
 * Idiomatic way of referring to the provider of a well-known element of a collection via a delegate property.
 *
 * `tasks { val jar by existing { ... } }`