@preconcurrency func lookup(_ service: BaseDiscovery.Service, deadline: DispatchTime?, callback: @escaping (Result<[DerivedInstance], Error>) -> Void) s16ServiceDiscovery011MapInstanceaB0C6lookup_8deadline8callbacky0A0Qz_8Dispatch0H4TimeVSgys6ResultOySayq_Gs5Error_pGctF What are these?3KHL4where BaseDiscovery:ServiceDiscovery, DerivedInstance:Hashable, DerivedInstance:Sendableimport ServiceDiscoveryA Service Discovery API for Swift.
final class MapInstanceServiceDiscovery<BaseDiscovery, DerivedInstance> where BaseDiscovery : ServiceDiscovery, DerivedInstance : Hashable, DerivedInstance : SendableA service discovery implementation that maps instances to another type using a closure.
associatedtype Service : Hashable, SendableService identity type
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 protocol ServiceDiscovery : AnyObject, SendableProvides service instances lookup.
protocol Hashable : EquatableA type that can be hashed into a Hasher to produce an integer hash value.
protocol Sendablevar defaultLookupTimeout: DispatchTimeInterval { get }@preconcurrency func subscribe(to service: BaseDiscovery.Service, onNext nextResultHandler: @escaping (Result<[DerivedInstance], Error>) -> Void, onComplete completionHandler: @escaping (CompletionReason) -> Void) -> CancellationToken