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<?php
namespace Drupal\Core\Security;
/**
* Interface to declare trusted callbacks.
*
* @see \Drupal\Core\Security\DoTrustedCallbackTrait
*/
interface TrustedCallbackInterface {
/**
* Untrusted callbacks throw exceptions.
*/
const THROW_EXCEPTION = 'exception';
/**
* Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
*/
const TRIGGER_SILENCED_DEPRECATION = 'silenced_deprecation';
/**
* Lists the trusted callbacks provided by the implementing class.
*
* Trusted callbacks are public methods on the implementing class and can be
* invoked via
* \Drupal\Core\Security\DoTrustedCallbackTrait::doTrustedCallback().
*
* @return string[]
* List of method names implemented by the class that can be used as trusted
* callbacks.
*
* @see \Drupal\Core\Security\DoTrustedCallbackTrait::doTrustedCallback()
*/
public static function trustedCallbacks();
}
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