# Functions
CancelContext - optionally provide a context that, when canceled will preclude the event from running.
ExtendContext - optionally provides a context which extends factory's context with its values.
FromContext - returns EventFactory from context.
NewNetworkServiceEndpointRegistryClient - returns a new null client that does nothing but call next.NetworkServiceEndpointRegistryClient(ctx).
NewNetworkServiceEndpointRegistryServer - returns a new null server that does nothing but call next.NetworkServiceEndpointRegistryServer(ctx).
NewNetworkServiceRegistryClient - returns a new null client that does nothing but call next.NetworkServiceRegistryClient(ctx).
NewNetworkServiceRegistryServer - returns a new null server that does nothing but call next.NetworkServiceRegistryServer(ctx).
# Interfaces
EventFactory - allows firing off a Request or Close event from midchain.
# Type aliases
Option - event option.