group_content_menu-8.x-1.0-rc3/tests/modules/group_content_menu_theme_hook_suggestion_test/group_content_menu_theme_hook_suggestion_test.module

<?php

/**
 * @file
 * Provides a preprocess hook to test the module's theme hook suggestion option.
 */

declare(strict_types=1);

/**
 * Implements hook_preprocess_HOOK().
 */
function group_content_menu_theme_hook_suggestion_test_preprocess_menu__group_menu__custom_hook_name(): void {
  \Drupal::state()->set('group_content_menu_theme_hook_suggestion_called_key', TRUE);
}