<?php declare(strict_types=1); namespace Psr\EventDispatcher; /** * Mapper from an event to the listeners that are applicable to that event. */ interface ListenerProviderInterface { /** * @param object $event * An event for which to return the relevant listeners. * @return iterable[callable] * An iterable (array, iterator, or generator) of callables. Each * callable MUST be type-compatible with $event. */ public function getListenersForEvent(object $event) : iterable; }