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<?php
namespace League\Event;
interface EmitterInterface extends ListenerAcceptorInterface
{
/**
* Remove a specific listener for an event.
*
* The first parameter should be the event name, and the second should be
* the event listener. It may implement the League\Event\ListenerInterface
* or simply be "callable".
*
* @param string $event
* @param ListenerInterface|callable $listener
*
* @return $this
*/
public function removeListener($event, $listener);
/**
* Use a provider to add listeners.
*
* @param ListenerProviderInterface $provider
*
* @return $this
*/
public function useListenerProvider(ListenerProviderInterface $provider);
/**
* Remove all listeners for an event.
*
* The first parameter should be the event name. All event listeners will
* be removed.
*
* @param string $event
*
* @return $this
*/
public function removeAllListeners($event);
/**
* Check whether an event has listeners.
*
* The first parameter should be the event name. We'll return true if the
* event has one or more registered even listeners, and false otherwise.
*
* @param string $event
*
* @return bool
*/
public function hasListeners($event);
/**
* Get all the listeners for an event.
*
* The first parameter should be the event name. We'll return an array of
* all the registered even listeners, or an empty array if there are none.
*
* @param string $event
*
* @return array
*/
public function getListeners($event);
/**
* Emit an event.
*
* @param string|EventInterface $event
*
* @return EventInterface
*/
public function emit($event);
/**
* Emit a batch of events.
*
* @param array $events
*
* @return array
*/
public function emitBatch(array $events);
/**
* Release all events stored in a generator
*
* @param GeneratorInterface $generator
*
* @return EventInterface[]
*/
public function emitGeneratedEvents(GeneratorInterface $generator);
}