Base interface for events passed to filters and listeners.
Event of cancellation, either by a filter or by a listener.
Event representing the last part of the flow when the response is being received.
Event representing the part of the flow up to and including the sending of a request.
Event representing the part of the flow when the request itself is actually transmitted.
All the interfaces in this package are provided by the library. They are not intended as superinterfaces for further implementations.