tests/phpunit/ComparePagerTest.php
10:use MediaWiki\CheckUser\UserManager;
41:             $userManager = $this->createMock( UserManager::class );

tests/phpunit/CompareServiceTest.php
6:use MediaWiki\CheckUser\UserManager;
69:             $userManager = $this->createMock( UserManager::class );
215:                    $this->createMock( UserManager::class )
238:                    $this->createMock( UserManager::class )

tests/phpunit/TimelineServiceTest.php
6:use MediaWiki\CheckUser\UserManager;
32:             $userManager = $this->createMock( UserManager::class );

includes/ServiceWiring.php
16:use MediaWiki\CheckUser\UserManager;
39:                     $services->get( 'CheckUserUserManager' )
45:                     $services->get( 'CheckUserUserManager' )
112:    'CheckUserUserManager' => static function (
114:    ): UserManager {
115:            return new UserManager();

src/UserManager.php
17:class UserManager {

src/ChangeService.php
13:     /** @var UserManager */
18:      * @param UserManager $userManager
22:             UserManager $userManager

src/CompareService.php
26:      * @param UserManager $userManager
31:             UserManager $userManager