5 files declare their use of AlertCommand
- AjaxCommandsTest.php in core/
tests/ Drupal/ Tests/ Core/ Ajax/ AjaxCommandsTest.php - AjaxTestController.php in core/
modules/ system/ tests/ modules/ ajax_test/ src/ Controller/ AjaxTestController.php - Callbacks.php in core/
modules/ system/ tests/ modules/ ajax_forms_test/ src/ Callbacks.php - FormAjaxResponseBuilderTest.php in core/
tests/ Drupal/ Tests/ Core/ Form/ FormAjaxResponseBuilderTest.php - FrameworkTest.php in core/
modules/ system/ tests/ src/ Functional/ Ajax/ FrameworkTest.php
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