10 files declare their use of PathValidatorInterface
- ContactFormEditForm.php in core/modules/ contact/ src/ ContactFormEditForm.php 
- LinkFormatter.php in core/modules/ link/ src/ Plugin/ Field/ FieldFormatter/ LinkFormatter.php 
- LinkFormatterTest.php in core/modules/ link/ tests/ src/ Unit/ LinkFormatterTest.php 
- MenuLinkContentDeprecationsTest.php in core/modules/ menu_link_content/ tests/ src/ Kernel/ MenuLinkContentDeprecationsTest.php 
- MenuLinkContentForm.php in core/modules/ menu_link_content/ src/ Form/ MenuLinkContentForm.php 
- MenuLinkParentTest.php in core/modules/ migrate/ tests/ src/ Unit/ process/ MenuLinkParentTest.php 
- Route.php in core/modules/ migrate/ src/ Plugin/ migrate/ process/ Route.php 
- ShortcutSetController.php in core/modules/ shortcut/ src/ Controller/ ShortcutSetController.php 
- SiteInformationForm.php in core/modules/ system/ src/ Form/ SiteInformationForm.php 
- ValidPathConstraintValidator.php in core/lib/ Drupal/ Core/ Path/ Plugin/ Validation/ Constraint/ ValidPathConstraintValidator.php 
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