Required Instance Methodswift 6.1.2Dispatch
setRegistrationHandler(handler:)
func setRegistrationHandler(handler: DispatchWorkItem) func setRegistrationHandler(handler: DispatchWorkItem) s8Dispatch0A14SourceProtocolP22setRegistrationHandler7handleryAA0A8WorkItemC_tF What are these?7BP8Nimport Dispatchprotocol DispatchSourceProtocolclass DispatchWorkItemvar data: UInt { get }var handle: UInt { get }var isCancelled: Bool { get }var mask: UInt { get }func cancel() func resume() func setCancelHandler(handler: DispatchWorkItem) func setCancelHandler(qos: DispatchQoS, flags: DispatchWorkItemFlags, handler: DispatchSourceHandler?) func setEventHandler(handler: DispatchWorkItem) func setEventHandler(qos: DispatchQoS, flags: DispatchWorkItemFlags, handler: DispatchSourceHandler?) func setRegistrationHandler(qos: DispatchQoS, flags: DispatchWorkItemFlags, handler: DispatchSourceHandler?) func suspend() func setRegistrationHandler(handler: DispatchWorkItem)