ModuleRuntimeRequirementsHooks.php

<?php

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

use Drupal\Core\Hook\Attribute\Hook;
use Drupal\Core\StringTranslation\StringTranslationTrait;

/**
 * Hook implementations for module_runtime_requirements.
 */
class ModuleRuntimeRequirementsHooks {
    use StringTranslationTrait;
    
    /**
     * Implements hook_runtime_requirements().
     */
    public function runtimeRequirements() : array {
        return [
            'test.runtime.error' => [
                'title' => $this->t('RuntimeError'),
                'value' => $this->t('None'),
                'description' => $this->t('Runtime Error.'),
                'severity' => REQUIREMENT_ERROR,
            ],
            'test.runtime.error.alter' => [
                'title' => $this->t('RuntimeError'),
                'value' => $this->t('None'),
                'description' => $this->t('Runtime Error.'),
                'severity' => REQUIREMENT_ERROR,
            ],
        ];
    }
    
    /**
     * Implements hook_runtime_requirements_alter().
     */
    public function runtimeRequirementsAlter(array &$requirements) : void {
        $requirements['test.runtime.error.alter'] = [
            'title' => $this->t('RuntimeWarning'),
            'value' => $this->t('None'),
            'description' => $this->t('Runtime Warning.'),
            'severity' => REQUIREMENT_WARNING,
        ];
    }

}