1: <?php
 2: 
 3: namespace ProgrammingAreHard\Arbiter\Model;
 4: 
 5: interface PermissionMapInterface extends \IteratorAggregate
 6: {
 7:     /**
 8:      * Get the mask equivalent of the permission.
 9:      *
10:      * @param string $permission
11:      * @return int
12:      * @throws \InvalidArgumentException
13:      */
14:     public function getMask($permission);
15: 
16:     /**
17:      * Get the permission equivalent of the mask.
18:      *
19:      * @param int $mask
20:      * @return string
21:      * @throws \InvalidArgumentException
22:      */
23:     public function getPermission($mask);
24: 
25:     /**
26:      * Does the map support the permission?
27:      *
28:      * @param string $permission
29:      * @return bool
30:      */
31:     public function supportsPermission($permission);
32: }