Requirements1TestHooks.php

<?php

declare (strict_types=1);
namespace Drupal\requirements1_test\Hook;

use Drupal\Core\Hook\Attribute\Hook;

/**
 * Hook implementations for requirements1_test.
 */
class Requirements1TestHooks {
    
    /**
     * Implements hook_requirements_alter().
     */
    public function requirementsAlter(array &$requirements) : void {
        // Change the title.
        $requirements['requirements1_test_alterable']['title'] = t('Requirements 1 Test - Changed');
        // Decrease the severity.
        $requirements['requirements1_test_alterable']['severity'] = REQUIREMENT_WARNING;
        // Delete 'requirements1_test_deletable',
        unset($requirements['requirements1_test_deletable']);
    }

}