documentation/_authorization_exception_8php_source.html

 <?php
 namespace Magento\Framework\Exception;

 class AuthorizationException extends LocalizedException
 {
     const NOT_AUTHORIZED = "The consumer isn't authorized to access %resources.";
 }
Magento\Framework\Exception\LocalizedException
Definition: LocalizedException.php:17

Magento\Framework\Exception\AuthorizationException
Definition: AuthorizationException.php:15

Magento\Framework\Exception
Definition: AbstractAggregateException.php:7

Magento\Framework\Exception\AuthorizationException\NOT_AUTHORIZED
const NOT_AUTHORIZED
Definition: AuthorizationException.php:20