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<?php
namespace Laminas\EventManager;
use ArrayAccess;
/**
* Representation of an event
*
* @template-covariant TTarget of object|string|null
* @template-covariant TParams of array|ArrayAccess|object
*/
interface EventInterface
{
/**
* Get event name
*
* @return string|null
*/
public function getName();
/**
* Get target/context from which event was triggered
*
* @return object|string|null
* @psalm-return TTarget
*/
public function getTarget();
/**
* Get parameters passed to the event
*
* @return array|ArrayAccess|object
* @psalm-return TParams
*/
public function getParams();
/**
* Get a single parameter by name
*
* @param string|int $name
* @param mixed $default Default value to return if parameter does not exist
* @return mixed
*/
public function getParam($name, $default = null);
/**
* Set the event name
*
* @param string $name
* @return void
*/
public function setName($name);
/**
* Set the event target/context
*
* @param object|string|null $target
* @template NewTTarget of object|string|null
* @psalm-param NewTTarget $target
* @psalm-this-out static&self<NewTTarget, TParams>
* @return void
*/
public function setTarget($target);
/**
* Set event parameters. Overwrites parameters.
*
* @param array|ArrayAccess|object $params
* @template NewTParams of array|ArrayAccess|object
* @psalm-param NewTParams $params
* @psalm-this-out static&self<TTarget, NewTParams>
* @return void
*/
public function setParams($params);
/**
* Set a single parameter by key
*
* @param string|int $name
* @param mixed $value
* @return void
*/
public function setParam($name, $value);
/**
* Indicate whether or not the parent EventManagerInterface should stop propagating events
*
* @param bool $flag
* @return void
*/
public function stopPropagation($flag = true);
/**
* Has this event indicated event propagation should stop?
*
* @return bool
*/
public function propagationIsStopped();
}