@preconcurrency func lookup(_ service: Service, deadline: DispatchTime? = nil, callback: @escaping (Result<[Instance], Error>) -> Void) s16ServiceDiscovery0aB3BoxC6lookup_8deadline8callbackyx_8Dispatch0G4TimeVSgys6ResultOySayq_Gs5Error_pGctF What are these?6BHLYimport ServiceDiscoveryA Service Discovery API for Swift.
@preconcurrency class ServiceDiscoveryBox<Service, Instance> where Service : Hashable, Service : Sendable, Instance : Hashable, Instance : SendableGeneric wrapper for ServiceDiscovery instance.
struct DispatchTime@frozen enum Result<Success, Failure> where Failure : Error, Success : ~CopyableA value that represents either a success or a failure, including an associated value in each case.
protocol Error : SendableA type representing an error value that can be thrown.
typealias Void = ()The return type of functions that don’t explicitly specify a return type, that is, an empty tuple ().
@preconcurrency init<ServiceDiscoveryImpl>(_ serviceDiscovery: ServiceDiscoveryImpl) where Service == ServiceDiscoveryImpl.Service, Instance == ServiceDiscoveryImpl.Instance, ServiceDiscoveryImpl : ServiceDiscovery var defaultLookupTimeout: DispatchTimeInterval { get }@discardableResult @preconcurrency func subscribe(to service: Service, onNext nextResultHandler: @escaping (Result<[Instance], Error>) -> Void, onComplete completionHandler: @escaping (CompletionReason) -> Void = { _ in }) -> CancellationToken @discardableResult func unwrapAs<ServiceDiscoveryImpl>(_ serviceDiscoveryType: ServiceDiscoveryImpl.Type) throws -> ServiceDiscoveryImpl where ServiceDiscoveryImpl : ServiceDiscovery Unwraps the underlying ServiceDiscovery instance as ServiceDiscoveryImpl type.
@preconcurrency protocol ServiceDiscovery : AnyObject, SendableProvides service instances lookup.